10-Q

Table of Contents

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 10-Q 

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 27, 2020

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ___ to ___

Commission file number 0-20388

LITTELFUSE, INC. 

(Exact name of registrant as specified in its charter)

Delaware		36-3795742
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
8755 West Higgins Road
Suite 500
Chicago	Illinois	60631
(Address of principal executive offices)		(ZIP Code)

Registrant’s telephone number, including area code: 773-628-1000

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol	Name of exchange on which registered
Common Stock, $0.01 par value	LFUS	NASDAQ	Global Select Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes [X] No [ ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act (Check one): Large accelerated filer [X] Accelerated filer [ ] Non-accelerated filer [ ] Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Yes [ ] No [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No [X]

As of July 24, 2020, the registrant had outstanding 24,341,584 shares of Common Stock, net of Treasury Shares.

Table of Contents

TABLE OF CONTENTS

		Page
PART I	FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets as of June 27, 2020 (unaudited) and December 28, 2019	3
	Condensed Consolidated Statements of Net (Loss) Income for the three and six months ended June 27, 2020 (unaudited) and June 29, 2019 (unaudited)	4
	Condensed Consolidated Statements of Comprehensive (Loss) Income for the three and six months ended June 27, 2020 (unaudited) and June 29, 2019 (unaudited)	5
	Condensed Consolidated Statements of Cash Flows for the six months ended June 27, 2020 (unaudited) and June 29, 2019 (unaudited)	6
	Condensed Consolidated Statements of Stockholders' Equity for the six months ended June 27, 2020 (unaudited) and June 29, 2019 (unaudited)	7
	Notes to Condensed Consolidated Financial Statements (unaudited)	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	26
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	36
Item 4.	Controls and Procedures	36
PART II	OTHER INFORMATION
Item 1.	Legal Proceedings	37
Item 1A.	Risk Factors	37
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
Item 3.	Defaults Upon Senior Securities	38
Item 4.	Mine Safety Disclosures	38
Item 5.	Other Information	38
Item 6.	Exhibits	38
Signatures		40

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LITTELFUSE, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

	(Unaudited)
(in thousands)	June 27, 2020		December 28, 2019
ASSETS
Current assets:
Cash and cash equivalents	$	651,867	$	531,139
Short-term investments	44		44
Trade receivables, less allowances of $39,970 and $42,043 at June 27, 2020 and December 28, 2019, respectively	185,806		202,309
Inventories	248,020		237,507
Prepaid income taxes and income taxes receivable	1,529		4,831
Prepaid expenses and other current assets	31,899		28,564
Total current assets	1,119,165		1,004,394
Net property, plant, and equipment	334,677		344,617
Intangible assets, net of amortization	301,661		321,247
Goodwill	787,601		820,589
Investments	23,678		24,099
Deferred income taxes	7,555		8,069
Right of use lease assets, net	19,621		21,918
Other assets	17,100		14,965
Total assets	$	2,611,058	$	2,559,898
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	113,767	$	117,320
Accrued liabilities	85,356		84,120
Accrued income taxes	10,034		14,122
Current portion of long-term debt	—		10,000
Total current liabilities	209,157		225,562
Long-term debt, less current portion	776,205		669,158
Deferred income taxes	46,562		49,763
Accrued post-retirement benefits	39,653		38,198
Non-current operating lease liabilities	15,155		17,166
Other long-term liabilities	61,892		64,037
Shareholders’ equity:
Common stock, par value $0.01 per share: 34,000,000 shares authorized; shares issued, June 27, 2020–25,983,147; December 28, 2019–25,855,203	257		256
Treasury stock, at cost: 1,643,369 and 1,473,901 shares, respectively	(242,192)		(216,447)
Additional paid-in capital	885,306		867,996
Accumulated other comprehensive loss	(124,219)		(106,823)
Retained earnings	943,151		950,901
Littelfuse, Inc. shareholders’ equity	1,462,303		1,495,883
Non-controlling interest	131		131
Total equity	1,462,434		1,496,014
Total liabilities and equity	$	2,611,058	$	2,559,898

See accompanying Notes to Condensed Consolidated Financial Statements.

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LITTELFUSE, INC.

CONDENSED CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME

(Unaudited)

	Three Months Ended				Six Months Ended
(in thousands, except per share data)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales	$	307,337	$	397,879	$	653,433	$	803,379
Cost of sales	208,238		256,071		430,622		506,343
Gross profit	99,099		141,808		222,811		297,036
Selling, general, and administrative expenses	53,981		57,666		108,367		120,621
Goodwill impairment charge	33,841		—		33,841		—
Research and development expenses	13,400		21,458		27,995		42,867
Amortization of intangibles	9,827		10,050		19,808		20,241
Total operating expenses	111,049		89,174		190,011		183,729
Operating (loss) income	(11,950)		52,634		32,800		113,307
Interest expense	5,855		5,589		11,273		11,275
Foreign exchange (gain) loss	(6,010)		(3,575)		(3,426)		668
Other (income) expense, net	(1,210)		(2,947)		39		1,358
(Loss) income before income taxes	(10,585)		53,567		24,914		100,006
Income taxes	(1,594)		9,775		9,261		19,225
Net (loss) income	$	(8,991)	$	43,792	$	15,653	$	80,781
(Loss) income per share:
Basic	$	(0.37)	$	1.77	$	0.64	$	3.27
Diluted	$	(0.37)	$	1.75	$	0.64	$	3.23
Weighted-average shares and equivalent shares outstanding:
Basic	24,312		24,740		24,353		24,729
Diluted	24,312		24,983		24,520		24,998

See accompanying Notes to Condensed Consolidated Financial Statements.

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LITTELFUSE, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME

(Unaudited)

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net (loss) income	$	(8,991)	$	43,792	$	15,653	$	80,781
Other comprehensive (loss) income:
Pension and postemployment adjustment, net of tax	(10,839)		161		(10,278)		112
Foreign currency translation adjustments	8,422		(5,892)		(7,118)		2,230
Comprehensive (loss) income	$	(11,408)	$	38,061	$	(1,743)	$	83,123

See accompanying Notes to Condensed Consolidated Financial Statements.

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LITTELFUSE, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019
OPERATING ACTIVITIES
Net income	$	15,653	$	80,781
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	27,728		25,727
Amortization of intangibles	19,808		20,241
Deferred revenue	(289)		—
Impairment charges	36,078		—
Stock-based compensation	10,852		12,250
Loss on investments and other assets	542		2,458
Deferred income taxes	2,512		(632)
Other	(1,222)		2,009
Changes in operating assets and liabilities:
Trade receivables	13,914		(13,242)
Inventories	(10,761)		6,230
Accounts payable	3,439		(17,927)
Accrued liabilities and income taxes	(19,144)		(36,713)
Prepaid expenses and other assets	2,176		(1,090)
Net cash provided by operating activities	101,286		80,092
INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	—		(775)
Purchases of property, plant, and equipment	(29,479)		(25,249)
Net proceeds from sale of property, plant and equipment	89		6,212
Net cash used in investing activities	(29,390)		(19,812)
FINANCING ACTIVITIES
Proceeds of revolving credit facility	240,000		—
Payments of term loan	(145,000)		(7,500)
Net proceeds related to stock-based award activities	3,642		3,011
Purchases of common stock	(22,927)		(49,861)
Debt issuance costs	(1,786)		—
Cash dividends paid	(23,403)		(21,274)
Net cash provided by (used in) financing activities	50,526		(75,624)
Effect of exchange rate changes on cash and cash equivalents	(1,694)		392
Increase (decrease) in cash and cash equivalents	120,728		(14,952)
Cash and cash equivalents at beginning of period	531,139		489,733
Cash and cash equivalents at end of period	$	651,867	$	474,781
Supplementary Cash Flow Information
Cash paid during the period for interest	$	10,799	$	11,478
Capital expenditures, not yet paid	$	4,665	$	—

See accompanying Notes to Condensed Consolidated Financial Statements.

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LITTELFUSE, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(Unaudited)

	Littelfuse, Inc. Shareholders’ Equity
(in thousands, except share and per share data)	Common Stock		Addl. Paid in Capital		Treasury Stock		Accum. Other Comp. (Loss) Income		Retained Earnings		Non-controlling Interest		Total
Balance at December 28, 2019	$	256	$	867,996	$	(216,447)	$	(106,823)	$	950,901	$	131	$	1,496,014
Net income	—		—		—		—		24,644		—		24,644
Other comprehensive loss, net of tax	—		—		—		(14,979)		—		—		(14,979)
Stock-based compensation	—		2,965		—		—		—		—		2,965
Withheld shares on restricted share units for withholding taxes	—		—		(443)		—		—		—		(443)
Stock options exercised	—		3,399		—		—		—		—		3,399
Repurchases of common stock	—		—		(22,927)		—		—		—		(22,927)
Cash dividends paid ($0.48 per share)	—		—		—		—		(11,725)		—		(11,725)
Balance at March 28, 2020	$	256	$	874,360	$	(239,817)	$	(121,802)	$	963,820	$	131	$	1,476,948
Net loss	—		—		—		—		(8,991)		—		(8,991)
Other comprehensive loss, net of tax	—		—		—		(2,417)		—		—		(2,417)
Stock-based compensation	—		7,887		—		—		—		—		7,887
Withheld shares on restricted share units for withholding taxes	—		—		(2,375)		—		—		—		(2,375)
Stock options exercised	1		3,059		—		—		—		—		3,060
Cash dividends paid ($0.48 per share)	—		—		—		—		(11,678)		—		(11,678)
Balance at June 27, 2020	$	257	$	885,306	$	(242,192)	$	(124,219)	$	943,151	$	131	$	1,462,434

See accompanying Notes to Condensed Consolidated Financial Statements.

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	Littelfuse, Inc. Shareholders’ Equity
(in thousands, except share and per share data)	Common Stock		Addl. Paid in Capital		Treasury Stock		Accum. Other Comp. (Loss) Income		Retained Earnings		Non-controlling Interest		Total
Balance at December 29, 2018	$	254	$	835,828	$	(116,454)	$	(97,924)	$	856,507	$	131	$	1,478,342
Net income	—		—		—		—		36,989		—		36,989
Other comprehensive loss, net of tax	—		—		—		8,073		—		—		8,073
Stock-based compensation	—		3,966		—		—		—		—		3,966
Withheld shares on restricted share units for withholding taxes	—		—		(94)		—		—		—		(94)
Stock options exercised	—		2,292		—		—		—		—		2,292
Repurchases of common stock	—		—		(13,555)		—		—		—		(13,555)
Cash dividends paid ($0.43 per share)	—		—		—		—		(10,625)		—		(10,625)
Balance at March 30, 2019	$	254	$	842,086	$	(130,103)	$	(89,851)	$	882,871	$	131	$	1,505,388
Net income	—		—		—		—		43,792		—		43,792
Other comprehensive loss, net of tax	—		—		—		(5,731)		—		—		(5,731)
Stock-based compensation	—		8,284		—		—		—		—		8,284
Withheld shares on restricted share units for withholding taxes	—		—		(4,010)		—		—		—		(4,010)
Stock options exercised	1		4,822		—		—		—		—		4,823
Repurchases of common stock	—		—		(31,955)		—		—		—		(31,955)
Cash dividends paid ($0.43 per share)	—		—		—		—		(10,649)		—		(10,649)
Balance at June 29, 2019	$	255	$	855,192	$	(166,068)	$	(95,582)	$	916,014	$	131	$	1,509,942

See accompanying Notes to Condensed Consolidated Financial Statements.

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Notes to Condensed Consolidated Financial Statements 

1. Summary of Significant Accounting Policies and Other Information

Nature of Operations 

Littelfuse, Inc. and subsidiaries (the “Company”) is a global manufacturer of leading technologies in circuit protection, power control and sensing. Serving over 100,000 end customers, the Company’s products are found in automotive and commercial vehicles, industrial applications, data and telecommunications, medical devices, consumer electronics and appliances. With its broad product portfolio of fuses, semiconductors, polymers, ceramics, relays and sensors, and extensive global infrastructure, the Company’s worldwide associates partner with its customers to design, manufacture and deliver innovative, high-quality solutions for a safer, greener and increasingly connected world.

Basis of Presentation 

The Company’s accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”) for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, certain information and disclosures normally included in the consolidated balance sheets, statements of net (loss) income and comprehensive (loss) income, statements of cash flows, and statement of stockholders' equity prepared in conformity with U.S. GAAP have been condensed or omitted as permitted by such rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. They have been prepared in accordance with accounting policies described in the Company’s Annual Report on Form 10-K for the fiscal year ended December 28, 2019 which should be read in conjunction with the disclosures therein. In the opinion of management, all adjustments considered necessary for a fair presentation have been included and are of a normal, recurring nature. Operating results for interim periods are not necessarily indicative of annual operating results.

Revenue Recognition

Revenue Disaggregation

The following tables disaggregate the Company’s revenue by primary business units for the three and six months ended June 27, 2020 and June 29, 2019:

	Three Months Ended June 27, 2020								Six Months Ended June 27, 2020
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	92,846	$	—	$	—	$	92,846	$	177,444	$	—	$	—	$	177,444
Electronics – Semiconductor	130,425		—		—		130,425		260,016		—		—		260,016
Passenger Car Products	—		30,309		—		30,309		—		82,954		—		82,954
Automotive Sensors	—		13,899		—		13,899		—		38,073		—		38,073
Commercial Vehicle Products	—		17,791		—		17,791		—		45,742		—		45,742
Industrial Products	—		—		22,067		22,067		—		—		49,204		49,204
Total	$	223,271	$	61,999	$	22,067	$	307,337	$	437,460	$	166,769	$	49,204	$	653,433

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	Three Months Ended June 29, 2019								Six Months Ended June 29, 2019
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	108,481	$	—	$	—	$	108,481	$	216,858	$	—	$	—	$	216,858
Electronics – Semiconductor	151,072		—		—		151,072		308,089		—		—		308,089
Passenger Car Products	—		53,916		—		53,916		—		110,459		—		110,459
Automotive Sensors	—		24,682		—		24,682		—		50,739		—		50,739
Commercial Vehicle Products	—		30,052		—		30,052		—		60,935		—		60,935
Industrial Products	—		—		29,676		29,676		—		—		56,299		56,299
Total	$	259,553	$	108,650	$	29,676	$	397,879	$	524,947	$	222,133	$	56,299	$	803,379

See Note 14, Segment Information for net sales by segment and countries.

Revenue Recognition

The Company recognizes revenue on product sales in the period in which the Company satisfies its performance obligation and control of the product is transferred to the customer. The Company’s sales arrangements with customers are predominately short term in nature and generally provide for transfer of control at the time of shipment as this is the point at which title and risk of loss of the product transfers to the customer. At the end of each period, for those shipments where title to the products and the risk of loss and rewards of ownership do not transfer until the product has been received by the customer, the Company adjusts revenues and cost of sales for the delay between the time that the products are shipped and when they are received by the customer. The amount of revenue recorded reflects the consideration to which the Company expects to be entitled in exchange for goods and may include adjustments for customer allowance, rebates and price adjustments. The Company’s distribution channels are primarily through direct sales and independent third-party distributors.

The Company elected the practical expedient under Accounting Standards Codification ("ASC") 340-40-25-4 to expense commissions when incurred as the amortization period of the commission asset the Company would have otherwise recognized is less than one year.

Revenue and Billing

The Company generally accepts orders from customers through receipt of purchase orders or electronic data interchange based on written sales agreements and purchasing contracts. Contract pricing and selling agreement terms are based on market factors, costs, and competition. Pricing is often negotiated as an adjustment (premium or discount) from the Company’s published price lists. The customer is invoiced when the Company’s products are shipped to them in accordance with the terms of the sales agreement. As the Company’s standard payment terms are less than one year, the Company elected the practical expedient under ASC 606-10-32-18 to not assess whether a contract has a significant financing component. The Company also elected the practical expedient provided in ASC 606-10-25-18B to treat all product shipping and handling activities as fulfillment activities, and therefore recognize the gross revenue associated with the contract, inclusive of any shipping and handling revenue.

Ship and Debit Program

Some of the terms of the Company’s sales agreements and normal business conditions provide customers (distributors) the ability to receive price adjustments on products previously shipped and invoiced. This practice is common in the industry and is referred to as a “ship and debit” program. This program allows the distributor to debit the Company for the difference between the distributors’ contracted price and a lower price for specific transactions. Under certain circumstances (usually in a competitive situation or large volume opportunity), a distributor will request authorization for pricing allowances to reduce its price. When the Company approves such a reduction, the distributor is authorized to “debit” its account for the difference between the contracted price and the lower approved price. The Company establishes reserves for this program based on historic activity, electronic distributor inventory levels and actual authorizations for the debit and recognizes these debits as a reduction of revenue.

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Return to Stock 

The Company has a return to stock policy whereby certain customers, with prior authorization from Littelfuse management, can return previously purchased goods for full or partial credit. The Company establishes an estimated allowance for these returns based on historic activity. Sales revenue and cost of sales are reduced to anticipate estimated returns.

Volume Rebates

The Company offers volume based sales incentives to certain customers to encourage greater product sales. If customers achieve their specific quarterly or annual sales targets, they are entitled to rebates. The Company estimates the projected amount of rebates that will be achieved by the customer and recognizes this estimated cost as a reduction to revenue as products are sold.

Recently Adopted Accounting Standards

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments." The standard modifies the measurement approach for credit losses on financial instruments, including trade receivables, from an incurred loss method to a current expected credit loss method ("CECL"). The standard requires the measurement of expected credit losses to be based on relevant information, including historical experiences, current conditions and a forecast that is supportable. The Company adopted the new standard on December 29, 2019. The adoption of the standard did not have a material effect on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-13 "Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirement for Fair Value Measurement." ASU 2018-13 modifies the disclosure requirements in Topic 820: "Fair Value Measurement," based on the FASB Concepts Statement, "Conceptual Framework for Financial Reporting - Chapter 8: Notes to Financial Statements," including consideration of costs and benefits. The new standard removes certain disclosures, modifies other disclosures and adds additional disclosures related to fair value measurement. The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018- 13 did not have a material impact on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-15, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic: 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)." ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018-15 did not have a material impact on our Condensed Consolidated Financial Statements.

In March 2020, the FASB issued ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” This ASU provides optional expedient and exceptions for applying generally accepted accounting principles to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The objective of this is to provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting due to the cessation of the London Interbank Offered Rate (LIBOR). The amendments in this update are effective for all entities as of March 12, 2020 through December 31, 2022. The Company does not expect a material effect from the adoption of this guidance on its Condensed Consolidated Financial Statements.

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2. Inventories

The components of inventories at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Raw materials	$	82,133	$	76,732
Work in process	92,681		84,561
Finished goods	106,904		110,388
Inventory Reserves	(33,698)		(34,174)
Total	$	248,020	$	237,507

3. Property, Plant, and Equipment

The components of net property, plant, and equipment at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Land	$	23,095	$	24,758
Building	118,409		108,501
Equipment	635,661		631,273
Accumulated depreciation and amortization	(442,488)		(419,915)
Total	$	334,677	$	344,617

The Company recorded depreciation expense of $13.9 million and $12.6 million for the three months ended June 27, 2020 and June 29, 2019, respectively, and $27.7 million and $25.7 million for six months ended June 27, 2020 and June 29, 2019, respectively.

4. Goodwill and Other Intangible Assets

The amounts for goodwill and changes in the carrying value by segment for the six months ended June 27, 2020 are as follows:

(in thousands)	Electronics		Automotive		Industrial		Total
As of December 28, 2019	$	650,796	$	131,321	$	38,472	$	820,589
Impairments	—		(33,841)		—		(33,841)
Currency translation	860		128		(135)		853
As of June 27, 2020	$	651,656	$	97,608	$	38,337	$	787,601

The Company tests its goodwill annually for impairment on the first day of its fiscal fourth quarter, or more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. For the three months ended June 27, 2020, the Company recorded a non-cash charge of $33.8 million to recognize the impairment of goodwill in the automotive sensors reporting unit within the Automotive segment. The goodwill impairment charge was due to reductions in the estimated fair value for the automotive sensors reporting unit based on lower expectations for future revenue, profitability and cash flows as compared to the expectations of the 2019 annual goodwill impairment test. These lower future expectations were driven by projected extended declines in end market demand due to the COVID-19 pandemic. In addition, during the second quarter of 2020, certain customers notified the Company of their decision to delay future programs along with a customer canceling their existing program. The goodwill impairment charge was determined using Level 3 inputs, including discounted cash flow analysis and comparable marketplace fair value data. As of June 27, 2020, the automotive sensors reporting unit had $9.1 million of remaining goodwill.

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The components of other intangible assets as of June 27, 2020 and December 28, 2019 are as follows:

	As of June 27, 2020
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,584	$	1,800	$	7,784
Patents, licenses and software	131,055		$	83,989	$	47,066
Distribution network	43,272		37,302		5,970
Customer relationships, trademarks, and tradenames	360,769		119,928		240,841
Total	$	544,680	$	243,019	$	301,661

	As of December 28, 2019
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,649	$	1,730	$	7,919
Patents, licenses and software	131,164		78,828		52,336
Distribution network	43,239		36,163		7,076
Customer relationships, trademarks, and tradenames	360,534		106,618		253,916
Total	$	544,586	$	223,339	$	321,247

During the three months ended June 27, 2020 and June 29, 2019, the Company recorded amortization expense of $9.8 million and $10.0 million, respectively. During six months ended June 27, 2020, the Company recorded amortization expense of $19.8 million and $20.2 million, respectively.

During the six months ended June 27, 2020, the Company recognized a $0.3 million non-cash impairment charge on a certain patent triggered by the Company’s announcement to consolidate a manufacturing facility within the Industrial segment.

Estimated annual amortization expense related to intangible assets with definite lives as of June 27, 2020 is as follows:

(in thousands)	Amount
2020	$	39,200
2021	37,811
2022	36,846
2023	32,135
2024	29,356
2025 and thereafter	145,511
Total	$	320,859

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5. Accrued Liabilities

The components of accrued liabilities as of June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Employee-related liabilities	$	40,785	$	40,774
Operating lease liability	6,846		7,259
Interest	4,781		5,058
Professional services	3,130		3,986
Restructuring liability	4,463		2,679
Other non-income taxes	2,075		1,940
Other	23,276		22,424
Total	$	85,356	$	84,120

Employee-related liabilities consist primarily of payroll, sales commissions, bonus, employee benefit accruals and workers’ compensation. Bonus accruals include amounts earned pursuant to the Company’s primary employee incentive compensation plans. Other accrued liabilities include miscellaneous operating accruals and other client-related liabilities.

6. Restructuring, Impairment and Other Charges

The Company recorded restructuring, impairment and other charges for the three and six months ended June 27, 2020 and June 29, 2019 as follows:

	Three months ended June 27, 2020								Six months ended June 27, 2020
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	856	$	209	$	750	$	1,815	$	1,737	$	608	$	1,071	$	3,416
Other restructuring charges	(1)		(12)		22		9		—		108		25		133
Total restructuring charges	855		197		772		1,824		1,737		716		1,096		3,549
Impairment	—		33,841		—		33,841		—		33,841		2,237		36,078
Total	$	855	$	34,038	$	772	$	35,665	$	1,737	$	34,557	$	3,333	$	39,627

	Three months ended June 29, 2019								Six months ended June 29, 2019
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	1,698	$	3,241	$	674	$	5,613	$	3,498	$	3,846	$	721	$	8,065
Other restructuring charges	—		70		—		70		13		90		250		353
Total restructuring charges	1,698		3,311		674		5,683		3,511		3,936		971		8,418
Impairment	—		—		—		—		—		—		—		—
Total	$	1,698	$	3,311	$	674	$	5,683	$	3,511	$	3,936	$	971	$	8,418

2020

For the three and six months ended June 27, 2020, the Company recorded total restructuring charges of $1.8 million and $3.5 million, for employee termination costs and other restructuring charges. These charges primarily related to the reorganization of certain manufacturing, selling and administrative functions across all segments and the previously announced consolidation of a manufacturing facility within the Industrial segment. The Company also recognized $33.8 million and $36.1 million of impairment charges for the three and six months ended June 27, 2020, respectively, which included a $33.8 million goodwill impairment charge associated with the automotive sensors reporting unit within the Automotive segment in the second quarter of 2020 and $2.2 million related to the land and building associated with the Company’s previously announced consolidation of a manufacturing facility within the Industrial segment in the first quarter of 2020. The impairment charges of the land and

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building were included in selling, general and administrative expenses. See Note 4, Goodwill and Other Intangible Assets for further discussion regarding the goodwill impairment charge.

2019

For the three and six months ended June 29, 2019, the Company recorded total restructuring charges of 5.7 million, and 8.4 million, respectively, for employee termination costs and other restructuring charges. These charges primarily related to reorganization of operations and selling, general and administrative functions as well as integration of IXYS within the Electronics segment and the reorganization of operations in the commercial vehicle products and automotive sensors businesses within the Automotive segment.

The restructuring reserves as of June 27, 2020 and December 28, 2019 are $4.5 million and $2.7 million, respectively. The restructuring reserves are included within accrued liabilities in the Condensed Consolidated Balance Sheets. The Company anticipates the remaining payments associated with employee terminations will primarily be completed by March 2021.

7. Debt

The carrying amounts of debt at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Revolving Credit Facility	$	240,000	$	—
Term Loan	—		145,000
Euro Senior Notes, Series A due 2023	131,378		129,808
Euro Senior Notes, Series B due 2028	106,675		105,400
U.S. Senior Notes, Series A due 2022	25,000		25,000
U.S. Senior Notes, Series B due 2027	100,000		100,000
U.S. Senior Notes, Series A due 2025	50,000		50,000
U.S. Senior Notes, Series B due 2030	125,000		125,000
Other	2,619		2,619
Unamortized debt issuance costs	(4,467)		(3,669)
Total debt	776,205		679,158
Less: Current maturities	—		(10,000)
Total long-term debt	$	776,205	$	669,158

Revolving Credit Facility / Term Loan

On March 4, 2016, the Company entered into a five-year credit agreement (“Credit Agreement”) with a group of lenders for up to $700.0 million. The Credit Agreement consisted of an unsecured revolving credit facility (“Revolving Credit Facility”) of $575.0 million and an unsecured term loan credit facility (“Term Loan”) of up to $125.0 million. In addition, the Company had the ability, from time to time, to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $150.0 million, in the aggregate, in each case in minimum increments of $25.0 million, subject to certain conditions and the agreement of participating lenders.

On October 13, 2017, the Company amended the Credit Agreement to increase the Revolving Credit Facility from $575.0 million to $700.0 million and increase the Term Loan from $125.0 million to $200.0 million and to extend the expiration date from March 4, 2021 to October 13, 2022. The Credit Agreement also included the option for the Company to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $300.0 million, in the aggregate, subject to the satisfaction of certain conditions set forth in the Credit Agreement. Term Loans could be made in up to two advances. The first advance of $125.0 million occurred on October 13, 2017 and the second advance of $75.0 million occurred on January 16, 2018. For the Term Loan, the Company was required to make quarterly principal payments of 1.25% of the original term loan ($2.5 million quarterly) through maturity, with the remaining balance due on October 13, 2022. The Company paid $2.5 million and $5.0 million of principal payments on the term loan during the three and six months ended June 27, 2020, respectively.

On March 25, 2020, the company borrowed $100.0 million from the revolving credit facility to preserve financial flexibility and enhance liquidity, given the increasing levels of uncertainty related to coronavirus disease 2019 ("COVID-19").

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On April 3, 2020, the Company amended the Credit Agreement to effect certain changes, including, among others: (i) eliminating the $200.0 million unsecured term loan credit facility, the remaining outstanding balance ($140.0 million) of which was repaid in full on April 3, 2020 through the revolving credit facility; (ii) making certain financial and non-financial covenants less restrictive on the Company; (iii) modifying performance-based interest rate margins and undrawn fees; and (iv) extending the maturity date to April 3, 2025. The amended Credit Agreement also allows the Company to increase the size of the revolving credit facility or enter into one or more tranches of term loans if there is no event of default and the Company is in compliance with certain financial covenants. 

Outstanding borrowings under the amended Credit Agreement bears interest, at the Company’s option, at either LIBOR, fixed for interest periods of one, two, three or six-month periods, plus 1.25% to 2.00%, or at the bank’s Base Rate, as defined, plus 0.25% to 1.00%, based upon the Company’s Consolidated Leverage Ratio, as defined. The Company was also required to pay commitment fees on unused portions of the credit agreement ranging from 0.125% to 0.20%, based on the Consolidated Leverage Ratio, as defined in the agreement. The amended Credit Agreement included representations, covenants and events of default that are customary for financing transactions of this nature. The effective interest rate on outstanding borrowings under the credit facility was 1.70% at June 27, 2020.

As of June 27, 2020, the Company had no amount outstanding in letters of credit and had available $148.6 million of borrowing capacity under the Revolving Credit Facility based on financial covenants. At June 27, 2020, the Company was in compliance with all covenants under the Credit Agreement.

Senior Notes

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold €212 million aggregate principal amount of senior notes in two series. The funding date for the Euro denominated senior notes occurred on December 8, 2016 for €117 million in aggregate amount of 1.14% Senior Notes, Series A, due December 8, 2023 (“Euro Senior Notes, Series A due 2023”), and €95 million in aggregate amount of 1.83% Senior Notes, Series B due December 8, 2028 (“Euro Senior Notes, Series B due 2028”) (together, the “Euro Senior Notes”). Interest on the Euro Senior Notes is payable semiannually on June 8 and December 8, commencing June 8, 2017.

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold $125 million aggregate principal amount of senior notes in two series. On February 15, 2017, $25 million in aggregate principal amount of 3.03% Senior Notes, Series A, due February 15, 2022 (“U.S. Senior Notes, Series A due 2022”), and $100 million in aggregate principal amount of 3.74% Senior Notes, Series B, due February 15, 2027 (“U.S. Senior Notes, Series B due 2027”) (together, the “U.S. Senior Notes due 2022 and 2027”) were funded. Interest on the U.S. Senior Notes due 2022 and 2027 is payable semiannually on February 15 and August 15, commencing August 15, 2017.

On November 15, 2017, the Company entered into a Note Purchase Agreement pursuant to which the Company issued and sold $175 million in aggregate principal amount of senior notes in two series. On January 16, 2018, $50 million aggregate principal amount of 3.48% Senior Notes, Series A, due February 15, 2025 (“U.S. Senior Notes, Series A due 2025”) and $125 million in aggregate principal amount of 3.78% Senior Notes, Series B, due February 15, 2030 (“U.S. Senior Notes, Series B due 2030”) (together the “U.S. Senior Notes due 2025 and 2030” and with the Euro Senior Notes and the U.S. Senior Notes due 2022 and 2027, the “Senior Notes”) were funded. Interest on the U.S. Senior Notes due 2025 and 2030 is payable semiannually on February 15 and August 15, commencing on August 15, 2018.

The Senior Notes have not been registered under the Securities Act, or applicable state securities laws. The Senior Notes are general unsecured senior obligations and rank equal in right of payment with all existing and future unsecured unsubordinated indebtedness of the Company.

The Senior Notes are subject to certain customary covenants, including limitations on the Company’s ability, with certain exceptions, to engage in mergers, consolidations, asset sales and transactions with affiliates, to engage in any business that would substantially change the general business of the Company, and to incur liens. In addition, the Company is required to satisfy certain financial covenants and tests relating to, among other matters, interest coverage and leverage. At June 27, 2020, the Company was in compliance with all covenants under the Senior Notes.

The Company may redeem the Senior Notes upon the satisfaction of certain conditions and the payment of a make-whole amount to noteholders and are required to offer to repurchase the Senior Notes at par following certain events, including a change of control.

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Interest paid on all Company debt was $3.4 million and $3.5 million for the three months ended June 27, 2020 and June 29, 2019, respectively, and $10.8 million and $11.5 million for the six months ended June 27, 2020 and June 29, 2019, respectively.

8. Fair Value of Assets and Liabilities

For assets and liabilities measured at fair value on a recurring and nonrecurring basis, a three-level hierarchy of measurements based upon observable and unobservable inputs is used to arrive at fair value. Observable inputs are developed based on market data obtained from independent sources, while unobservable inputs reflect the Company’s assumptions about valuation based on the best information available in the circumstances. Depending on the inputs, the Company classifies each fair value measurement as follows:

Level 1—Valuations based on unadjusted quoted prices for identical assets or liabilities in active markets;

Level 2—Valuations based upon quoted prices for similar instruments, prices for identical or similar instruments in markets that are not active, or model-derived valuations, all of whose significant inputs are observable, and

Level 3—Valuations based upon one or more significant unobservable inputs.

Following is a description of the valuation methodologies used for instruments measured at fair value and their classification in the valuation hierarchy.

Cash Equivalents

Cash equivalents primarily consist of money market funds, which are held with an institution with sound credit rating and are highly liquid. The Company classified cash equivalents as Level 1 and are valued at cost which approximates fair value.

Investments in Equity Securities

Investments in equity securities listed on a national market or exchange are valued at the last sales price and classified within Level 1 of the valuation hierarchy and recorded in investments and other assets.

The Company has certain convertible debt and convertible preferred stock investments that are accounted for under the cost method reflected in other assets in the Condensed Consolidated Balance Sheets. During the six months ended June 29, 2019, the Company recorded impairment charges of $2.8 million in Other expense (income), net in the Condensed Consolidated Statements of Net (Loss) Income to adjust these certain investments to their estimated fair value. As of June 27, 2020 and December 28, 2019, the balances of these investments were $0.4 million. The fair value of these investments are measured on a nonrecurring basis using Level 3 inputs under the fair value hierarchy. The Company's accounting and finance management determines the valuation policies and procedures for Level 3 fair value measurements and is responsible for the development and determination of unobservable inputs.

Mutual Funds

The Company has a non-qualified Supplemental Retirement and Savings Plan which provides additional retirement benefits for certain management employees and named executive officers by allowing participants to defer a portion of their annual compensation. The Company maintains accounts for participants through which participants make investment elections. The marketable securities are classified as Level 1 under the fair value hierarchy as they are maintained in mutual funds with readily determinable fair value and recorded in other assets.

There were no changes during the quarter ended June 27, 2020 to the Company’s valuation techniques used to measure asset and liability fair values on a recurring basis. On October 30, 2019, the Company entered a foreign currency exchange forward contract to mitigate the currency fluctuation risk between the Chinese renminbi and U.S. dollar. The foreign currency contract was not designated as a hedge instrument and was marked to market on a monthly basis. The notional value of the forward contracts at December 28, 2019 was $16.0 million and expired on May 5, 2020. On March 23, 2020, the Company unwound the foreign currency exchange forward contract entered on October 30, 2019 and recognized a gain of $0.2 million within Other expenses, net during the six months ended June 27, 2020. The fair value of the foreign currency forward contract was valued using market exchange rates and classified as a Level 2 input under the fair value hierarchy.

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As of June 27, 2020 and December 28, 2019, the Company did not hold any non-financial assets or liabilities that are required to be measured at fair value on a recurring basis.

The following table presents assets measured at fair value by classification within the fair value hierarchy as of June 27, 2020:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	148,409	$	—	$	—	$	148,409
Investments in equity securities	12,899		—		—		12,899
Mutual funds	10,650		—		—		10,650

The following table presents assets measured at fair value by classification within the fair value hierarchy as of December 28, 2019: 

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	118,999	$	—	$	—	$	118,999
Investments in equity securities	12,969		—		—		12,969
Mutual funds	10,464		—		—		10,464

In addition to the methods and assumptions used for the financial instruments recorded at fair value as discussed above, the following methods and assumptions are used to estimate the fair value of other financial instruments that are not marked to market on a recurring basis. The Company’s other financial instruments include cash and cash equivalents, short-term investments, accounts receivable and its long-term debt. Due to their short-term maturity, the carrying amounts of cash and cash equivalents, short-term investments and accounts receivable approximate their fair values. The Company’s revolving and term loan debt facilities’ fair values approximate book value at June 27, 2020 and December 28, 2019, as the rates on these borrowings are variable in nature.

The carrying value and estimated fair values of the Company’s Euro Senior Notes, Series A and Series B and USD Senior Notes, Series A and Series B, as of June 27, 2020 and December 28, 2019 were as follows:

	June 27, 2020				December 28, 2019
(in thousands)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Euro Senior Notes, Series A due 2023	$	131,378	$	128,003	$	129,808	$	131,710
Euro Senior Notes, Series B due 2028	106,675		104,332		105,400		110,336
USD Senior Notes, Series A due 2022	25,000		25,150		25,000		25,054
USD Senior Notes, Series B due 2027	100,000		103,482		100,000		102,548
USD Senior Notes, Series A due 2025	50,000		51,355		50,000		50,775
USD Senior Notes, Series B due 2030	125,000		128,954		125,000		127,701

The Company recognized impairment charges of $1.9 million for the land and building and $0.3 million for a certain patent as a result of the Company’s announcement to consolidate a manufacturing facility within the Industrial segment during the first quarter of 2020. See Note 6, Restructuring, Impairment and Other Charges, for further discussion. The fair value of the land and building was valued using a real estate appraisal and classified as a Level 3 input under the fair value hierarchy.

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The fair value as of the measurement date, net book value as of June 27, 2020 and related the goodwill impairment charge for assets measured at fair value on nonrecurring basis subsequent to initial recognition during three months ended June 27, 2020 were as follows:

	Three Months Ended June 27, 2020				June 27, 2020
(in thousands)	Impairment Charge		Estimated Fair Value Measurement (Level 3)		Carrying Value
Goodwill	$	33,841	$	8,953	$	9,142

See Note 4, Goodwill and Other Intangible Assets for further discussion regarding goodwill impairment charges.

9. Benefit Plans

The Company has company-sponsored defined benefit pension plans covering employees in the U.K., Germany, the Philippines, China, Japan, Mexico, Italy and France. The amount of the retirement benefits provided under the plans is based on years of service and final average pay.

The Company recognizes interest cost, expected return on plan assets, and amortization of prior service, net within Other expense (income), net in the Condensed Consolidated Statements of Net (Loss) Income. The components of net periodic benefit cost for the three and six months ended June 27, 2020 and June 29, 2019 were as follows: 

	For the Three Months Ended				For the Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Components of net periodic benefit cost:
Service cost	$	592	$	514	$	1,210	$	1,014
Interest cost	486		813		1,144		1,597
Expected return on plan assets	(402)		(821)		(1,129)		(1,611)
Amortization of prior service and net actuarial loss	264		62		409		124
Net periodic benefit cost	$	940	$	568	$	1,634	$	1,124

The Company expects to make approximately $2.3 million of cash contributions to its pension plans in 2020.

The Company also sponsors certain post-employment plans in foreign countries and other statutory benefit plans. The Company recorded $0.5 million and $0.2 million expense for the three months ended June 27, 2020 and June 29, 2019, respectively, and $1.0 million and $0.4 million expense for the six months ended June 27, 2020 and June 29, 2019, respectively, in Cost of Sales and Other expense (income), net within the Condensed Consolidated Statements of Net (Loss) Income. For three and six months ended June 27, 2020, the pre-tax amounts recognized in other comprehensive (loss) income as components of net periodic benefit costs for these plans were $0.2 million and $0.4 million.

On April 7, 2020, the Company entered into a definitive agreement to purchase a group annuity contract, under which an insurance company will be required to pay and administer pension payments to certain of the Company’s U.K. pension plan participants, or their designated beneficiaries, who have been receiving pension payments. The purchase of this group annuity contract will reduce the Company’s outstanding pension benefit obligation by approximately $36 million, representing approximately 30% of the total obligations of the Company’s qualified pension plans, and will be funded with pension plan assets and additional cash on hand. In connection with this transaction, the Company will record a one-time non-cash settlement charge in the second half of 2021 currently estimated between $18 million and $22 million, reflecting the accelerated recognition of unamortized actuarial losses in the plan. The actual settlement charge could differ from this estimate due to final data and plan wind-up expenses. Due to the signing of the group annuity contract being a significant change in the U.K. pension plan, the liabilities of the plan were remeasured as of April 6, 2020 resulting in an increase of $13.4 million (£10.9 million) to both the net pension liability and unamortized actuarial loss within other comprehensive (loss) income during the second quarter. Additionally, the Company made a cash contribution of $10.4 million (£8.4 million) under this agreement during the second quarter.

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10. Other Comprehensive (Loss) Income

Changes in other comprehensive (loss) income by component were as follows:

(in thousands)	Three Months Ended June 27, 2020						Three Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(13,098)	$	(2,259)	$	(10,839)	$	201	$	40	$	161
Foreign currency translation adjustments	8,422		—		8,422		(5,892)		—		(5,892)
Total change in other comprehensive income (loss)	$	(4,676)	$	(2,259)	$	(2,417)	$	(5,691)	$	40	$	(5,731)

Due to the signing of the group annuity contract being a significant change in the U.K. pension plan, the liabilities of the plan were remeasured as of April 6, 2020 resulting in an increase of $13.4 million to unamortized actuarial loss within other comprehensive (loss) income. See Note 9, Benefits Plans for further discussion.

(in thousands)	Six Months Ended June 27, 2020						Six Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(12,543)	$	(2,265)	$	(10,278)	$	123	$	11	$	112
Foreign currency translation adjustments	(7,118)		—		(7,118)		2,230		—		2,230
Total change in other comprehensive income (loss)	$	(19,661)	$	(2,265)	$	(17,396)	$	2,353	$	11	$	2,342

The following tables set forth the changes in accumulated other comprehensive (loss) income by component for the six months ended June 27, 2020 and June 29, 2019:

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 28, 2019	$	(18,046)	$	(88,777)	$	(106,823)
Activity in the period	(10,278)		(7,118)		(17,396)
Balance at June 27, 2020	$	(28,324)	$	(95,895)	$	(124,219)

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 29, 2018	$	(9,959)	$	(87,965)	$	(97,924)
Activity in the period	112		2,230		2,342
Balance at June 29, 2019	$	(9,847)	$	(85,735)	$	(95,582)

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Amounts reclassified from accumulated other comprehensive (loss) income to earnings for the three and six months ended June 27, 2020 and June 29, 2019 were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Pension and Postemployment plans:
Amortization of prior service and net actuarial loss	$	429	$	62	$	774	$	124

The Company recognizes the amortization of prior service costs in Other (expense) income, net within the Condensed Consolidated Statements of Net (Loss) Income.

11. Income Taxes

The effective tax rate for the three and six months ended June 27, 2020 was 15.1% and 37.2% respectively, compared to the effective tax rate for the three and six months ended June 29, 2019 of 18.2% and 19.2%. The effective tax rate for the second quarter of 2020 (which is based upon a pre-tax loss) is lower than the effective tax rate for the comparable 2019 period (which is based upon pre-tax income), primarily due to the goodwill impairment charge of $33.8 million recorded in the second quarter of 2020, the substantial majority of which did not result in a tax benefit.

The effective tax rate for the first six months of 2020 is higher than the effective tax rate for the comparable 2019 period primarily due to the impact of the goodwill impairment charge of $33.8 million as well as a reduction in the forecasted income earned in lower tax jurisdictions in 2020 driven by the uncertainty resulting from the impact of COVID-19. The effective tax rate for the first six months of 2020 is higher than the applicable U.S. statutory tax rate primarily due to the impact of the goodwill impairment charge of $33.8 million as well as the forecasted impact of non-U.S. losses and expenses with no tax benefit, and the U.S. global intangible low-taxed income provisions ("GILTI") (in the 2019 comparable period the impact of these items was more than offset by the impact of income earned in lower tax jurisdictions).

12. Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share: 

	Three Months Ended				Six Months Ended
(in thousands, except per share amounts)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Numerator:
Net (loss) income as reported	$	(8,991)	$	43,792	$	15,653	$	80,781
Denominator:
Weighted average shares outstanding
Basic	24,312		24,740		24,353		24,729
Effect of dilutive securities	—		243		167		269
Diluted	24,312		24,983		24,520		24,998
(Loss) Earnings Per Share:
Basic (loss) earnings per share	$	(0.37)	$	1.77	$	0.64	$	3.27
Diluted (loss) earnings per share	$	(0.37)	$	1.75	$	0.64	$	3.23

Potential shares of common stock relating to stock options excluded from the earnings per share calculation because their effect would be anti-dilutive were 328,624 and 167,599 for the three months ended June 27, 2020 and June 29, 2019, respectively, and 212,290 and 121,326 for the six months ended June 27, 2020 and June 29, 2019, respectively.

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Share Repurchase Program

The Company’s Board of Directors authorized the repurchase of up to 1,000,000 shares of the Company’s common stock under a program for the period May 1, 2018 to April 30, 2019 ("2018 program"). On April 26, 2019, the Company's Board of Directors authorized to a program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2019 to April 30, 2020 ("2019 program") to replace its previous expired 2018 program. On April 23, 2020, the Company's Board of Directors authorized a new program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2020 to April 30, 2021 (the "2020 program") to replace its previous expired 2019 program. The Company has suspended share repurchases for the near-term due to the uncertainty of the impact and duration of COVID-19 and to focus on other capital allocation priorities.

The Company did not repurchase any shares of its common stock for the three months ended June 27, 2020. During the three months ended June 29, 2019, the Company repurchased 188,214 shares of its common stock totaling $32.0 million. For the six months ended June 27, 2020 and June 29, 2019, the Company repurchased 175,110 and 268,130 shares of its common stock totaling $22.9 million and $45.5 million, respectively.

13. Related Party Transactions

As a result of the Company’s acquisition of IXYS, the Company has equity ownership in various investments that are accounted for under the equity method. The following is a description of the investments and related party transactions.

Powersem GmbH: The Company owns 45% of the outstanding equity of Powersem GmbH (“Powersem”), a module manufacturer based in Germany.

EB-Tech Co., Ltd.: The Company owns approximately 19% of the outstanding equity of EB Tech Co., Ltd. (“EB Tech”), a company with expertise in radiation technology based in South Korea.

Automated Technology (Phil), Inc.: The Company owns approximately 24% of the outstanding common shares of Automated Technology (Phil), Inc. (“ATEC”), a supplier located in the Philippines that provides assembly and test services. One member of the Company's Board of Directors serves on the Board of Directors of ATEC.

	For the Three Months Ended June 27, 2020						For the Three Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.3	$	—	$	—	$	0.1	$	—	$	—
Purchase material/service from related party	0.8		—		1.6		0.9		0.1		2.3
	For the Six Months Ended June 27, 2020						For the Six Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.7	$	—	$	—	$	0.2	$	—	$	—
Purchase material/service from related party	1.0		—		3.4		1.7		0.2		3.8
	June 27, 2020						December 28, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Accounts Receivable balance	$	0.1	$	—	$	—	$	—	$	—	$	—
Accounts Payable balance	0.2		—		0.1		0.2		—		0.1

Additionally, the Company has certain cost method investments in VTOOL Ltd. and Securepush Ltd. with a total book value of $0.4 million as of June 27, 2020 and one member of the Company’s Board of Directors is currently an investor and a director of VTOOL Ltd. and Securepush Ltd.

On April 26, 2019, the Company sold its subsidiary Microwave Technology, LLC. (“MWT”) resulting in a loss on disposal of $2.6 million reflected in Other income (expense), net in the Condensed Consolidated Statements of Net (Loss) Income. The

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operations of MWT were included in the Electronics segment. One member of the Company’s Board of Directors is an owner of a company that purchased MWT.

14. Segment Information

The Company and its subsidiaries design, manufacture and sell components and modules for circuit protection, power control and sensing throughout the world. The Company reports its operations by the following segments: Electronics, Automotive, and Industrial. An operating segment is defined as a component of an enterprise that engages in business activities from which it may earn revenues and incur expenses, and about which separate financial information is regularly evaluated by the Chief Operating Decision Maker (“CODM”) in deciding how to allocate resources. The CODM is the Company’s President and Chief Executive Officer (“CEO”). The CODM allocates resources to and assesses the performance of each operating segment using information about its revenue and operating income (loss) before interest and taxes, but does not evaluate the operating segments using discrete balance sheet information.

Sales, marketing, and research and development expenses are charged directly into each operating segment. Purchasing, logistics, customer service, finance, information technology, and human resources are shared functions that are allocated back to the three operating segments. The Company does not report inter-segment revenue because the operating segments do not record it. Certain expenses, determined by the CODM to be strategic in nature and not directly related to segments' current results, are not allocated but identified as “Other”. Additionally, the Company does not allocate interest and other income, interest expense, or taxes to operating segments. These costs are not allocated to the segments, as management excludes such costs when assessing the performance of the segments. Although the CODM uses operating income (loss) to evaluate the segments, operating costs included in one segment may benefit other segments. Except as discussed above, the accounting policies for segment reporting are the same as for the Company as a whole.

•Electronics Segment: Consists of one of the broadest product offerings in the industry, including fuses and fuse accessories, positive temperature coefficient (“PTC”) resettable fuses, polymer electrostatic discharge (“ESD”) suppressors, varistors, reed switch based magnetic sensing, gas discharge tubes; semiconductor products such as discrete transient voltage suppressor (“TVS”) diodes, TVS diode arrays, protection and switching thyristors, metal-oxide-semiconductor field effect transistors (“MOSFETs”) and silicon carbide diodes; and insulated gate bipolar transistors (“IGBT”) technologies. The segment covers a broad range of end markets, including industrial and automotive electronics, electric vehicle and related infrastructure, data and telecommunications, medical devices, alternative energy, consumer electronics and white goods.

•Automotive Segment: Consists of a wide range of circuit protection, power control and sensing technologies for global original equipment manufacturers (“OEMs”), Tier-I suppliers and parts distributors in passenger car, heavy duty truck, off-road vehicles, material handling, agricultural, construction and other commercial vehicle end markets. Passenger car fuse products include fuses and fuse accessories for internal combustion engine vehicles and hybrid and electric vehicles including blade fuses, battery cable protectors, resettable fuses, high-current fuses, and high-voltage fuses. Commercial vehicle products include fuses, switches, relays, and power distribution modules for the commercial vehicle industry. Automotive sensor products include a wide range of automotive and commercial vehicle products designed to monitor the passenger compartment occupants, safety and environment as well as the vehicle’s powertrain.

•Industrial Segment: Consists of power fuses, protection relays and controls and other circuit protection products for use in various industrial applications such as oil, gas, mining, alternative energy, electric vehicle infrastructure, non-residential construction, HVAC systems, elevators and other industrial equipment.

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Segment information is summarized as follows: 

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
Electronics	$	223,271	$	259,553	$	437,460	$	524,947
Automotive	61,999		108,650		166,769		222,133
Industrial	22,067		29,676		49,204		56,299
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379
Depreciation and amortization
Electronics	$	15,617	$	14,729	$	31,148	30,071
Automotive	7,071		6,904		14,258		13,781
Industrial	1,046		1,056		2,130		2,116
Total depreciation and amortization	$	23,734	$	22,689	$	47,536	$	45,968
Operating (loss) income
Electronics	$	32,651	$	43,630	$	64,923	$	92,666
Automotive	(8,857)		10,349		5,259		23,550
Industrial	(23)		5,831		3,511		9,336
Other(a)	(35,721)		(7,176)		(40,893)		(12,245)
Total operating (loss) income	(11,950)		52,634		32,800		113,307
Interest expense	5,855		5,589		11,273		11,275
Foreign exchange (gain) loss	(6,010)		(3,575)		(3,426)		668
Other (income) expense, net	(1,210)		(2,947)		39		1,358
(Loss) income before income taxes	$	(10,585)	$	53,567	$	24,914	$	100,006

(a) Included in “Other” Operating (loss) income for the 2020 second quarter is $0.1 million ($1.3 million year-to-date) of acquisition-related and integration charges related to the IXYS acquisition and other contemplated acquisitions. In addition, there was $35.6 million ($39.6 million year-to-date) of restructuring, impairment and other charges, primarily related to the goodwill impairment charge of $33.8 million recorded in the second quarter associated with the automotive sensors reporting unit within the Automotive segment, $1.8 million ($3.5 million year-to-date) of employee termination costs, and other restructuring charges and impairment charges of $2.2 million recorded in the first quarter associated with the announced consolidation of a manufacturing facility within the Industrial segment. See Note 4, Goodwill and Other Intangible Assets and Note 6, Restructuring, Impairment and Other Charges, for further discussion.

Included in "Other" Operating income (loss) for the second quarter of 2019 is $1.5 million ($3.8 million year-to-date) of acquisition integration charges primarily related to the IXYS acquisition. In addition, there were $5.7 million ($8.4 million year-to-date) of restructuring charges primarily related to employee termination costs.

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The Company’s net sales by country were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
United States	$	76,870	$	115,991	$	179,780	$	235,519
China	102,026		107,728		188,041		214,593
Other countries(a)	128,441		174,160		285,612		353,267
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379

 The Company’s long-lived assets by country were as follows:

(in thousands)	June 27, 2020		December 28, 2019
Long-lived assets
United States	$	54,082	$	58,081
China	82,224		88,306
Mexico	67,967		73,096
Germany	36,721		36,025
Philippines	58,272		51,738
Other countries(a)	35,411		37,371
Total long-lived assets	$	334,677	$	344,617

The Company’s additions to long-lived assets by country were as follows:

	Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019
Additions to long-lived assets
United States	$	2,026	$	3,454
China	4,516		4,958
Mexico	4,260		8,727
Germany	2,509		3,712
Philippines	9,039		6,629
Other countries(a)	687		2,378
Total additions to long-lived assets	$	23,037	$	29,858

(a)Each country included in other countries is less than 10% of net sales.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

Cautionary Statement Regarding Forward-Looking Statements Under the Private Securities Litigation Reform Act of 1995 (“PSLRA”).

Certain statements in this section and other parts of this Quarterly Report on Form 10-Q may constitute "forward-looking statements" within the meaning of the federal securities laws and are entitled to the safe-harbor provisions of the PSLRA. These statements include statements regarding the Company’s future performance, as well as management's expectations, beliefs, intentions, plans, estimates or projections relating to the future. Such statements can be identified by the use of forward-looking terminology such as "believes," "expects," "may," "estimates," "will," "should," "plans" or "anticipates" or the negative thereof or other variations thereon or comparable terminology, or by discussions of strategy, although not all forward-looking statements contain such terms. The Company cautions that forward-looking statements, which speak only as of the date they are made, are subject to risks, uncertainties and other factors, and actual results and outcomes may differ materially from those indicated or implied by the forward-looking statements. These risks, uncertainties and other factors include, but are not limited to, risks and uncertainties relating to general economic conditions; the severity and duration of the coronavirus disease 2019 ("COVID-19") pandemic and the measures taken in response thereto and the effects of those items on the Company’s business; product demand and market acceptance; economic conditions; the impact of competitive products and pricing; product quality problems or product recalls; capacity and supply difficulties or constraints; coal mining exposures reserves; failure of an indemnification for environmental liability; exchange rate fluctuations; commodity price fluctuations; the effect of the Company's accounting policies; labor disputes; restructuring costs in excess of expectations; pension plan asset returns less than assumed; uncertainties related to political or regulatory changes; integration of acquisitions may not be achieved in a timely manner, or at all; and other risks that may be detailed in Item 1A. "Risk Factors" of this Quarterly Report on Form 10-Q for the quarter ended June 27, 2020, the Company's Annual Report on Form 10-K for the year ended December 28, 2019, and the Company's other filings and submissions with the Securities and Exchange Commission. The Company does not undertake any obligation to update or revise any forward-looking statements to reflect future events or circumstances, new information or otherwise.

This report, including the Management’s Discussion and Analysis of Financial Condition and Results of Operations, should be read in conjunction with information provided in the consolidated financial statements and the related Notes thereto appearing in the Company's Annual Report on Form 10-K for the year ended December 28, 2019. 

Management’s Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") is designed to provide information that is supplemental to, and should be read together with, the consolidated financial statements and the accompanying notes. Information in MD&A is intended to assist the reader in obtaining an understanding of (i) the consolidated financial statements, (ii) the changes in certain key items within those financial statements from year-to-year, (iii) the primary factors that contributed to those changes, and (iv) any changes in known trends or uncertainties that we are aware of and that may have a material effect on future performance. In addition, MD&A provides information about the Company’s segments and how the results of those segments impact the results of operations and financial condition as a whole.

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Executive Overview

Founded in 1927, Littelfuse is a global manufacturer of leading technologies in circuit protection, power control and sensing.

Serving over 100,000 end customers, the Company’s products are found in automotive and commercial vehicles, industrial

applications, data and telecommunications, medical devices, consumer electronics and appliances. With its broad product portfolio of fuses, semiconductors, polymers, ceramics, relays and sensors, and extensive global infrastructure, the Company’s worldwide associates partner with its customers to design, manufacture and deliver innovative, high-quality solutions for a safer, greener and increasingly connected world.

The Company maintains a network of global laboratories and engineering centers that develop new products and product enhancements, provide customer application support and test products for safety, reliability, and regulatory compliance. The Company conducts its business through three reportable segments: Electronics, Automotive, and Industrial. Within these segments, the Company designs, manufactures and sells components and modules for circuit protection, power control and sensing products throughout the world. The circuit protection products protect against electrostatic discharge, power surges, short circuits, voltage spikes and other harmful occurrences; our power control products safely and efficiently control power and improve productivity and our sensor products are used to identify and detect temperature, proximity, flow speed and fluid level in various applications.

Executive Summary

For the second quarter of 2020, the Company recognized net sales of $307.3 million compared to $397.9 million in the second quarter of 2019 representing a decrease of $90.5 million, or 22.8%. The decrease was primarily driven by lower volume across all of the segments due to the impact of COVID-19, a decline in global auto production, and $2.3 million or 0.6% of unfavorable changes in foreign exchange rates. The Company recognized a net loss of $9.0 million, or $0.37 per diluted share, in the second quarter of 2020 compared to net income of $43.8 million, or $1.75 per diluted share in the second quarter of 2019. The net loss was primarily due to a non-cash goodwill impairment charge of $33.8 million related to the automotive sensors reporting unit within the Automotive segment and lower operating income across all the segments.

The Company continues to take actions to improve its cost structure. The Company expects to realize cost savings from the restructuring activities taken during 2019 and 2020, including the reorganization of certain manufacturing, selling and administrative functions across all segments and the consolidation of a manufacturing facility within the Industrial Segment.

Net cash provided by operating activities was $101.3 million for the six months ended June 27, 2020 as compared to $80.1 million for the six months ended June 29, 2019. The increase in net cash provided by operating activities was primarily due to lower annual incentive payments and favorable changes in net working capital driven by the timing of collections of accounts receivable and changes in accounts payable partially offset by lower earnings largely due to the impact of COVID-19.

On March 25, 2020, the company borrowed $100.0 million from its current revolving credit facility to preserve financial flexibility and enhance liquidity, given the increasing levels of uncertainty related to COVID-19. On April 3, 2020, the Company amended the existing credit agreement to effect certain changes, including, among others: (i) eliminating the $200.0 million unsecured term loan credit facility, the remaining outstanding balance ($140.0 million) of which was repaid in full on April 3, 2020 through the revolving credit facility; (ii) making certain financial and non-financial covenants less restrictive on the Company; (iii) modifying performance-based interest rate margins and undrawn fees; and (iv) extending the maturity date to April 3, 2025. The amended credit agreement also allows the Company to increase the size of the revolving credit facility or enter into one or more tranches of term loans if there is no event of default and the Company is in compliance with certain financial covenants. 

On April 7, 2020, the Company entered into a definitive agreement to purchase a group annuity contract, under which an insurance company will be required to pay and administer pension payments to certain of the Company’s UK pension plan participants, or their designated beneficiaries, who have been receiving pension payments. The purchase of this group annuity contract will reduce the Company’s outstanding pension benefit obligation by approximately $36 million, representing approximately 30% of the total obligations of the Company’s qualified pension plans, and will be funded with pension plan assets and additional cash on hand. In connection with this transaction, the Company will record a one-time non-cash settlement charge in the second half of 2021 currently estimated between $18 million and $22 million, reflecting the accelerated recognition of a portion of unamortized actuarial losses in the plan. The actual settlement charge could differ from this estimate due to final data and plan wind-up expenses.

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Impact of COVID-19 on Business

COVID-19 continued to negatively impact the Company’s 2020 second quarter financial results. During the second quarter, sales volumes across all of the Company's segments were reduced driven by production disruptions from temporary closures of manufacturing facilities in the Philippines, Mexico and Italy as a result of government directives. Furthermore, sales volumes in the Automotive segment were significantly impacted by lower global end market demand across passenger vehicle end markets. The Company incurred incremental costs of approximately $5.1 million and $7.6 million during the three and six months ended June 27, 2020, respectively, primarily due to costs related to the above temporary plant closures, higher costs for freight and protective supplies, partially offset by certain international government subsidies and COVID-19 relief programs.

The Company’s priorities continue to be first, on our associates, their families and the communities in which we operate; second, our customers; and third, long-term financial health of the company. In an effort to protect the health and safety of our employees, the Company has enacted numerous proactive, aggressive actions at its facilities globally, and implemented a number of safety procedures including hygiene and disinfection protocols, social distancing and wearing personal protective equipment ("PPE"). The Company expects these actions will continue for the foreseeable future.

In an effort to contain COVID-19 and slow its spread, governments around the world enacted various measures, including orders to close all businesses not deemed “essential”, isolate residents to their homes or places of residence, and practice social distancing when engaging in essential activities. These government measures disrupted certain of our operating locations in many countries around the world. our operations that were closed or running at limited levels during the second quarter returned to normal or nearly normal capacity levels during June, and all of our manufacturing facilities are currently operating.

The Company continues to work with customers to meet production requirements for their products, many of which are considered essential, including healthcare and medical devices, transportation, communication and energy infrastructure.

The Company took cost containment initiatives to help offset the impact of lower demand and the business disruption created by COVID-19. During the first quarter, the Company suspended annual wage increases and its 2020 annual cash incentive program. The Company also reduced salaries of the CEO and executive leadership team, and reduced cash compensation of its board of directors during the second quarter. The Company continues to develop and execute contingency plans to manage our business performance within this uncertain environment.

The Company anticipates that the global health crisis caused by COVID-19 will negatively impact its business activity for the foreseeable future. It is currently difficult to estimate the magnitude of the COVID-19 disruption, if future disruptions will occur due to a resurgence in COVID-19 cases and its impact on our employees, customers, suppliers and vendors. The Company will continue to actively monitor the situation and may take further actions altering our business operations that we determine are in the best interests of our employees, customers, partners, suppliers, and other stakeholders, or as required by federal, state, or local authorities. It is not clear what the potential effects any such alterations or modifications may have on our business and operations, including the effects on our customers, employees, and prospects, or on our financial results for the remainder of fiscal 2020.

Goodwill Impairment Assessment

The Company performs its annual goodwill impairment tests on or about September 30, or more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. As part of its interim review for indicators of impairment, management analyzed potential changes in the value of individual reporting units with goodwill based on each reporting unit’s operating results for the six months ended June 27, 2020 compared to expected results. In addition, management considered how other key assumptions, including discount rates and expected long-term growth rates, used in last fiscal year’s impairment analysis, could be impacted by changes in market conditions and economic events.

Management considered trends in these factors when performing its assessment of whether an interim impairment review was required for any reporting unit. For the three months ended June 27, 2020, the Company recorded a non-cash charge of $33.8 million to recognize the impairment of goodwill in the automotive sensors reporting unit within the Automotive segment. The goodwill impairment charge was due to reductions in the estimated fair value for the automotive sensors reporting unit based on lower expectations for future revenue, profitability and cash flows as compared to the expectations of the 2019 annual goodwill impairment test. These lower future expectations were driven by projected extended declines in end market demand due to the COVID-19 pandemic. In addition, during the second quarter of 2020, certain customers notified the Company of their decision to delay future programs along with a customer canceling an existing program. The goodwill impairment charge was

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determined using Level 3 inputs, including discounted cash flow analysis and comparable marketplace fair value data As of June 27, 2020, the automotive sensors reporting unit had $9.1 million of remaining goodwill.

In addition, the semiconductors reporting unit has experienced declines in net sales due to temporary plant shut-downs and lower customer demand primarily due to COVID-19. The Company continues to evaluate the impact of COVID-19 on its long-term expectations for this unit. Further negative developments having a significant impact on the estimated fair value of this reporting unit could result in future goodwill impairment charges. As of the September 30, 2019 annual goodwill impairment test, the semiconductors reporting unit estimated fair value exceeded its book value by approximately 42%. As of June 27, 2020, $467.1 million of goodwill was allocated to the semiconductors reporting unit. The semiconductors reporting unit is included within the Electronics segment.

Based on the June 27, 2020 interim assessment, management concluded that other than the goodwill impairment recognized in the automotive sensors reporting unit, no events or changes in circumstances indicated that it was more likely than not that the fair value for any reporting unit had declined below its carrying value. Nevertheless, a continued global economic slowdown and further business disruption due to COVID-19 could result in changes to expectations of future financial results and key valuation assumptions. These changes could result in changes to management’s estimates of the fair value of the Company’s reporting units and could result in a review for impairment of goodwill prior to September 29, 2020, the Company’s next annual measurement date, and a potential corresponding impairment charge.

Risks Related to Market Conditions

While the Company has not historically or currently as of June 27, 2020 had significant credit risk on its accounts receivable, the impact of the COVID-19 pandemic and associated economic slowdown may increase the Company’s credit risk on accounts receivable. It is possible that the Company’s customers may experience liquidity issues which may impact the timing of the collections on receivables. The Company will continue to evaluate how the ongoing pandemic may impact collectability.

Results of Operations

The following table summarizes the Company’s unaudited condensed consolidated results of operations for the periods presented. The second quarter of 2020 includes $0.1 million ($1.3 million year-to-date) of acquisition-related and integration charges related to the IXYS acquisition and other contemplated acquisitions. In addition, there were $35.6 million ($39.6 million year-to-date) of restructuring, impairment and other charges, primarily related to the goodwill impairment charge of $33.8 million recorded in the second quarter associated with the automotive sensors reporting unit within the Automotive segment, $1.8 million ($3.5 million year-to-date) of employee termination costs, and other restructuring charges and impairment charges of $2.2 million recorded in the first quarter associated with the announced consolidation of a manufacturing facility within the Industrial segment.

The second quarter of 2019 includes $1.5 million ($3.8 million year-to-date) of acquisition integration charges primarily related to the IXYS acquisition. In addition, there were $5.7 million ($8.4 million year-to-date) of restructuring charges primarily related to employee termination costs.

	Second Quarter								First Six Months
(in thousands)	2020		2019		Change		% Change		2020		2019		Change		% Change
Net sales	$	307,337	$	397,879	$	(90,542)	(22.8)	%	$	653,433	$	803,379	$	(149,946)	(18.7)	%
Gross profit	99,099		141,808		(42,709)		(30.1)	%	222,811		297,036		(74,225)		(25.0)	%
Operating expenses	111,049		89,174		21,875		24.5	%	190,011		183,729		6,282		3.4	%
Operating (loss) income	(11,950)		52,634		(64,584)		(122.7)	%	32,800		113,307		(80,507)		(71.1)	%
(Loss) income before income taxes	(10,585)		53,567		(64,152)		(119.8)	%	24,914		100,006		(75,092)		(75.1)	%
Income taxes	(1,594)		9,775		(11,369)		(116.3)	%	9,261		19,225		(9,964)		(51.8)	%
Net (loss) income	$	(8,991)	$	43,792	$	(52,783)	(120.5)	%	$	15,653	$	80,781	$	(65,128)	(80.6)	%

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Net Sales

Net sales decreased $90.5 million or 22.8% for the second quarter of 2020 compared to the second quarter of 2019 primarily due to lower volume across all segments due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19 and lower volume across the Automotive segment due to a decline in global auto production driven by lower global end market demand, and $2.3 million or 0.6% of unfavorable changes in foreign exchange rates.

Net sales decreased $149.9 million or 18.7% for the first six months of 2020 compared to the first six months of 2019 primarily due to lower volume driven by the disruption across the Electronics and Automotive segments due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, lower volume across the Electronics segment from electronics distribution partners and end customers reducing excess inventories and production, and lower volume across the Automotive segment due to a decline in global auto production driven by lower global end market demand, and $5.6 million or 0.7% of unfavorable changes in foreign exchange rates.

Gross Profit

Gross profit was $99.1 million, or 32.2% of net sales, in the second quarter of 2020 compared to $141.8 million, or 35.6% of net sales, for the second quarter of 2019. The decrease in gross profit is primarily due to lower volume across all segments, additional costs associated with government-directed plant shutdowns and supply chain constraints, higher freight, supplies and other costs due to the impact of COVID-19.

Gross profit was $222.8 million, or 34.1% of net sales, in the first six months of 2020 compared to $297.0 million, or 37.0% of net sales, for the first six months of 2019. The decrease in gross profit reflected lower volume across all segments. The decrease in gross margin is primarily due to lower volumes across the Electronics segment, additional costs associated with government-directed plant shutdowns and supply chain constraints, higher freight, supplies and other costs due to the impact of COVID-19, and unfavorable price and product mix.

Operating Expenses

Total operating expenses were $111.0 million, or 36.1% of net sales, for the second quarter of 2020 compared to $89.2 million, or 22.4% of net sales, for the second quarter of 2019. The increase in operating expenses of $21.9 million is primarily due to the goodwill impairment charge of $33.8 million, or 11.0% of net sales, in the automotive sensors reporting unit within the Automotive segment, partially offset by lower incentive compensation, lower research and development expenses of $8.1 million, lower sales commissions and travel expenses due to COVID-19, and lower acquisition-related and integration charges of $1.4 million.

Total operating expenses were $190.0 million, or 29.1% of net sales, for the first six months of 2020 compared to $183.7 million, or 22.9% of net sales, for the first six months of 2019. The increase in operating expenses of $6.3 million is primarily due to the goodwill impairment charge of $33.8 million, or 5.2% of net sales, in the automotive sensors reporting unit within the Automotive segment and impairment charges of $2.2 million related to the Company’s first quarter announcement to consolidate a manufacturing facility within the Industrial segment, partially offset by lower incentive compensation, lower research and development expenses of $14.9 million, lower sales commissions and travel expenses due to COVID-19, and lower acquisition-related and integration charges of $2.5 million.

Operating (Loss) Income

Operating loss was $12.0 million, a decrease of $64.6 million, or 122.7%, for the second quarter of 2020 compared to operating income $52.6 million for the second quarter of 2019. The decrease is primarily due to lower gross margin across all of the segments and higher operating expenses noted above. Operating margins decreased from 13.2% in the second quarter of 2019 to (3.9)% in the second quarter of 2020 driven by the factors mentioned above. The goodwill impairment charge of $33.8 million negatively impacted the operating margin by 11.0% for the second quarter of 2020.

Operating income was $32.8 million, a decrease of $80.5 million, or 71.1%, for the first six months of 2020 compared to $113.3 million for the first six months of 2019. The decrease in operating income is primarily due to lower gross margin across all segments and higher operating expenses noted above. Operating margins decreased from 14.1% in the first six months of 2019 to 5.0% in the first six months of 2020 driven by the factors mentioned above. The goodwill impairment charge of $33.8 million negatively impacted the operating margin by 5.2% for the first six months of 2020.

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(Loss) Income Before Income Taxes

Loss before income taxes was $10.6 million, or (3.4)% of net sales, for the second quarter of 2020 compared to income before income tax of $53.6 million, or 13.5% of net sales, for the second quarter of 2019. In addition to the factors impacting comparative results for operating (loss) income discussed above, loss before income taxes was primarily impacted by $1.8 million increase in coal mining reserves, lower interest income of $0.9 million, higher interest expense and higher pension non-service costs, partially offset by higher foreign exchange gains of $2.4 million and unrealized investment gains of $1.7 million associated with our equity investments during the three months ended June 27, 2020 compared to the three months ended June 29, 2019.

Income before income taxes was $24.9 million, or 3.8% of net sales, for the first six months of 2020 compared to $100.0 million, or 12.4% of net sales, for the first six months of 2019. In addition to the factors impacting comparative results for operating income discussed above, income before income taxes was impacted by foreign exchange gains of $3.4 million during the six months ended June 27, 2020 compared to foreign exchange losses of $0.7 million during the six months ended June 29, 2019, impairment charges of $3.1 million for certain other investments and a $2.6 million loss on the disposal of a business within the Electronics segment during the six months ended June 29, 2019, partially offset by a $1.5 million increase in coal mining reserve and $1.0 million decreases in unrealized investment gains associated with our equity investments.

Income Taxes

Income tax benefit for the second quarter of 2020 was $1.6 million, or an effective tax rate of 15.1%, compared to income tax expense of $9.8 million, or an effective tax rate of 18.2%, for the second quarter of 2019. The effective tax rate for the second quarter of 2020 (which is based upon a pre-tax loss) is lower than the effective tax rate for the comparable 2019 period (which is based upon pre-tax income), primarily due to the goodwill impairment charge of $33.8 million recorded in the second quarter of 2020, the substantial majority of which did not result in a tax benefit.

Income tax expense for the first six months of 2020 was $9.3 million, or an effective tax rate of 37.2%, compared to income tax expense of $19.2 million, or an effective tax rate of 19.2%, for the first six months of 2019. The effective tax rate for the first six months of 2020 is higher than the effective tax rate for the comparable 2019 period primarily due to the impact of the goodwill impairment charge of $33.8 million, the substantial majority of which did not result in a tax benefit, as well as a reduction in the forecasted income earned in lower tax jurisdictions in 2020 driven by the uncertainty resulting from the impact of COVID-19. The effective tax rate for the first six months of 2020 is higher than the applicable U.S. statutory tax rate primarily due to the impact of the goodwill impairment charge of $33.8 million as well as the forecasted impact of non-U.S. losses and expenses with no tax benefit and the U.S. global intangible low-taxed income tax provisions (in the 2019 comparable period the impact of these items was more than offset by the impact of income earned in lower tax jurisdictions).

Segment Results of Operations

The Company reports its operations by the following segments: Electronics, Automotive and Industrial. Segment information is described more fully in Note 14, Segment Information, of the Notes to Condensed Consolidated Financial Statements included in this Quarterly Report.

The following table is a summary of the Company’s net sales by segment:

	Second Quarter								First Six Months
(in thousands)	2020		2019		Change		% Change		2020		2019		Change		% Change
Electronics	$	223,271	$	259,553	$	(36,282)	(14.0)	%	$	437,460	$	524,947	$	(87,487)	(16.7)	%
Automotive	61,999		108,650		(46,651)		(42.9)	%	166,769		222,133		(55,364)		(24.9)	%
Industrial	22,067		29,676		(7,609)		(25.6)	%	49,204		56,299		(7,095)		(12.6)	%
Total	$	307,337	$	397,879	$	(90,542)	(22.8)	%	$	653,433	$	803,379	$	(149,946)	(18.7)	%

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Electronics Segment

Net sales decreased $36.3 million, or 14.0%, in the second quarter of 2020 compared to the second quarter of 2019 primarily due to lower volume in the semiconductor and electronics products businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, and unfavorable changes in foreign exchange rates of $1.2 million.

Net sales decreased $87.5 million, or 16.7%, in the first six months of 2020 compared to the first six months of 2019 primarily due to lower volume in the semiconductor and electronics products businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, lower volume from electronics distribution partners and end customers reducing excess inventories, and unfavorable changes in foreign exchange rates of $2.9 million.

Automotive Segment

Net sales decreased $46.7 million, or 42.9%, in the second quarter of 2020 compared to the second quarter of 2019 due to decreased volume across all businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, a decline in global auto production driven by lower global end market demand, and unfavorable changes in foreign exchange rates of $0.9 million.

Net sales decreased $55.4 million, or 24.9%, in the first six months of 2020 compared to the first six months of 2019 due to decreased volume across all businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, a decline in global auto production driven by lower global end market demand, and unfavorable changes in foreign exchange rates of $2.5 million.

Industrial Segment

Net sales decreased by $7.6 million, or 25.6%, in the second quarter of 2020 compared to the second quarter of 2019 primarily due to decreased volume across all businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19 and unfavorable changes in foreign exchange rates of $0.2 million.

Net sales decreased by $7.1 million, or 12.6%, in the first six months of 2020 compared to the first six months of 2019 primarily due to decreased volume across all businesses driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19 in the second quarter of 2020, and by unfavorable changes in foreign exchange rates of $0.2 million.

Geographic Net Sales Information

Net sales by geography represent net sales to customer or distributor locations. The following table is a summary of the Company’s net sales by geography:

	Second Quarter								First Six Months
(in thousands)	2020		2019		Change		% Change		2020		2019		Change		% Change
Asia-Pacific	$	155,737	$	172,895	$	(17,158)	(9.9)	%	$	296,610	$	345,676	$	(49,066)	(14.2)	%
Americas	89,651		135,894		(46,243)		(34.0)	%	210,152		273,928		(63,776)		(23.3)	%
Europe	61,949		89,090		(27,141)		(30.5)	%	146,671		183,775		(37,104)		(20.2)	%
Total	$	307,337	$	397,879	$	(90,542)	(22.8)	%	$	653,433	$	803,379	$	(149,946)	(18.7)	%

Asia-Pacific 

Net sales decreased $17.2 million, or 9.9%, in the second quarter of 2020 compared to the second quarter of 2019. The decrease in net sales was primarily due to lower volume across all businesses within the Electronics segment, lower volume in passenger car products businesses within the Automotive segment, and unfavorable changes in foreign exchange rates of $1.1 million.

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Net sales decreased $49.1 million, or 14.2%, in the first six months of 2020 compared to the first six months of 2019. The decrease in net sales was primarily due to lower volume across all businesses within the Electronics and Automotive segments and unfavorable changes in foreign exchange rates of $2.0 million.

Americas

Net sales decreased $46.2 million, or 34.0%, in the second quarter of 2020 compared to the second quarter of 2019 primarily due to lower volume across all segments due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, lower volume across the Automotive segment due to a decline in global auto production driven by lower global end market demand, and unfavorable changes in foreign exchange rates of $0.1 million.

Net sales decreased $63.8 million, or 23.3%, in the first six months of 2020 compared to the first six months of 2019 primarily due to lower volume across all segments driven by the production disruption due to temporary closures of manufacturing facilities resulting from government directives due to the impact of COVID-19, lower volume across the Electronics segment from electronics distribution partners and end customers reducing excess inventories and production, lower volume in all businesses within the Automotive segment and unfavorable changes in foreign exchange rates of $0.3 million.

Europe 

Net sales decreased $27.1 million, or 30.5%, in the second quarter of 2020 compared to the second quarter of 2019. The decrease in net sales was primarily due to lower volume in the semiconductor business within the Electronics segment, lower volume in all businesses within the Automotive segment, and unfavorable changes in foreign exchange rates of $1.1 million.

Net sales decreased $37.1 million, or 20.2%, in the first six months of 2020 compared to the first six months of 2019. The decrease in net sales was primarily due to lower volume in the semiconductor business within the Electronics segment, lower volume in all businesses within the Automotive segment and unfavorable changes in foreign exchange rates of $3.3 million.

Liquidity and Capital Resources 

The Company has historically supported its liquidity needs through cash flows from operations. Management expects that the Company’s (i) current level of cash, cash equivalents, and marketable securities, (ii) current and forecasted cash flows from operations, (iii) availability under existing funding arrangements, and (iv) access to capital in the capital markets will provide sufficient funds to support the Company’s operations, capital expenditures, investments, and debt obligations on both a short-term and long-term basis.

Cash and cash equivalents were $651.9 million as of June 27, 2020, an increase of $120.7 million as compared to December 28, 2019. As of June 27, 2020, $312.6 million of the Company's $651.9 million cash and cash equivalents was held by U.S. subsidiaries.

Revolving Credit Facility/Term Loan

On March 4, 2016, the Company entered into a five-year credit agreement (“Credit Agreement”) with a group of lenders for up to $700.0 million. The Credit Agreement consisted of an unsecured revolving credit facility (“Revolving Credit Facility”) of $575.0 million and an unsecured term loan credit facility (“Term Loan”) of up to $125.0 million. In addition, the Company had the ability, from time to time, to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $150.0 million, in the aggregate, in each case in minimum increments of $25.0 million, subject to certain conditions and the agreement of participating lenders.

On October 13, 2017, the Company amended the Credit Agreement to increase the Revolving Credit Facility from $575.0 million to $700.0 million and increase the Term Loan from $125.0 million to $200.0 million and to extend the expiration date from March 4, 2021 to October 13, 2022. The Credit Agreement also included the option for the Company to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $300.0 million, in the aggregate, subject to the satisfaction of certain conditions set forth in the Credit Agreement. Term Loans could be made in up to two advances. The first advance of $125.0 million occurred on October 13, 2017 and the second advance of $75.0 million occurred on January 16, 2018. For the Term Loan, the Company was required to make quarterly principal payments of 1.25% of the original term loan ($2.5 million quarterly) through maturity, with the remaining balance due on October 13, 2022. The Company paid $2.5 million and $5.0 million of principal payments on the term loan during the three and six months ended June 27, 2020, respectively.

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On March 25, 2020, the company borrowed $100.0 million from its current revolving credit facility to preserve financial flexibility and enhance liquidity, given the increasing levels of uncertainty related to COVID-19.

On April 3, 2020, the Company amended the Credit Agreement to effect certain changes, including, among others: (i) eliminating the $200.0 million unsecured term loan credit facility, the remaining outstanding balance ($140.0 million) of which was repaid in full on April 3, 2020 through the revolving credit facility; (ii) making certain financial and non-financial covenants less restrictive on the Company; (iii) modifying performance-based interest rate margins and undrawn fees; and (iv) extending the maturity date to April 3, 2025. The amended Credit Agreement also allows the Company to increase the size of the revolving credit facility or enter into one or more tranches of term loans if there is no event of default and the Company is in compliance with certain financial covenants. 

Outstanding borrowings under the amended Credit Agreement bears interest, at the Company’s option, at either LIBOR, fixed for interest periods of one, two, three or six-month periods, plus 1.25% to 2.00%, or at the bank’s Base Rate, as defined, plus 0.25% to 1.00%, based upon the Company’s Consolidated Leverage Ratio, as defined. The Company was also required to pay commitment fees on unused portions of the credit agreement ranging from 0.13% to 0.20%, based on the Consolidated Leverage Ratio, as defined in the agreement. The amended Credit Agreement included representations, covenants and events of default that are customary for financing transactions of this nature. The effective interest rate on outstanding borrowings under the credit facility was 1.70% at June 27, 2020.

As of June 27, 2020, the Company had no amounts outstanding in letters of credit and had available $148.6 million of borrowing capacity under the Revolving Credit Facility based on financial covenants.

Further information regarding the Company’s credit agreement is provided in Note 7, Debt, of the Notes to the Condensed Consolidated Financial Statements included in this Quarterly Report.

Senior Notes

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold €212 million aggregate principal amount of senior notes in two series. The funding date for the Euro denominated senior notes occurred on December 8, 2016 for €117 million in aggregate amount of 1.14% Senior Notes, Series A, due December 8, 2023 (“Euro Senior Notes, Series A due 2023”), and €95 million in aggregate amount of 1.83% Senior Notes, Series B due December 8, 2028 (“Euro Senior Notes, Series B due 2028”) (together, the “Euro Senior Notes”). Interest on the Euro Senior Notes is payable semiannually on June 8 and December 8, commencing June 8, 2017.

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold $125 million aggregate principal amount of senior notes in two series. On February 15, 2017, $25 million in aggregate principal amount of 3.03% Senior Notes, Series A, due February 15, 2022 (“U.S. Senior Notes, Series A due 2022”), and $100 million in aggregate principal amount of 3.74% Senior Notes, Series B, due February 15, 2027 (“U.S. Senior Notes, Series B due 2027”) (together, the “U.S. Senior Notes due 2022 and 2027”) were funded. Interest on the U.S. Senior Notes due 2022 and 2027 is payable semiannually on February 15 and August 15, commencing August 15, 2017.

On November 15, 2017, the Company entered into a Note Purchase Agreement pursuant to which the Company issued and sold $175 million in aggregate principal amount of senior notes in two series. On January 16, 2018, $50 million aggregate principal amount of 3.48% Senior Notes, Series A, due February 15, 2025 (“U.S. Senior Notes, Series A due 2025”) and $125 million in aggregate principal amount of 3.78% Senior Notes, Series B, due February 15, 2030 (“U.S. Senior Notes, Series B due 2030”) (together the “U.S. Senior Notes due 2025 and 2030” and with the Euro Senior Notes and the U.S. Senior Notes due 2022 and 2027, the “Senior Notes”) were funded. Interest on the U.S. Senior Notes due 2025 and 2030 is payable semiannually on February 15 and August 15, commencing on August 15, 2018. Further information regarding the Company’s Senior Notes is provided in Note 7, Debt, of the Notes to the Condensed Consolidated Financial Statements included in this Quarterly Report.

Debt Covenants

The Company was in compliance with all covenants under the Credit Agreement and Senior Notes as of June 27, 2020 and currently expects to remain in compliance based on management’s estimates of operating and financial results for 2020. As of June 27, 2020, the Company met all the conditions required to borrow under the Credit Agreement and management expects the Company to continue to meet the applicable borrowing conditions.  The ultimate magnitude of COVID-19, including the extent of its impact on our financial and operational results, which could be material, will be determined by the length of time that the

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pandemic continues, its effect on the demand for our products, as well as the effect of governmental regulations imposed in response to the pandemic. While we cannot at this time predict the impact of the COVID-19, it could have a material negative impact on our business, financial condition, results of operations and future cash flows which could impact the Company’s ability to comply with debt covenants in the future.

Dividends

During the second quarter of 2020 the Company paid quarterly dividends of $11.7 million to the shareholders. On July 22, 2020, the Board of Directors of the Company declared a quarterly cash dividend of $0.48 per share, payable on September 3, 2020 to stockholders of record as of August 20, 2020. Future determinations regarding the declaration and payment of dividends will be at the discretion of our board of directors and will depend on then-existing conditions, including our results of operations, payout ratio, capital requirements, financial condition, prospects and other factors that our board of directors may deem relevant.

Cash Flow Overview

	First Six Months
(in thousands)	2020		2019
Net cash provided by operating activities	$	101,286	$	80,092
Net cash used in investing activities	(29,390)		(19,812)
Net cash provided by (used in) financing activities	50,526		(75,624)
Effect of exchange rate changes on cash and cash equivalents	(1,694)		392
Increase (decrease) in cash and cash equivalents	120,728		(14,952)
Cash and cash equivalents at beginning of period	531,139		489,733
Cash and cash equivalents at end of period	$	651,867	$	474,781

Cash Flow from Operating Activities

Operating cash inflows are largely attributable to sales of the Company’s products. Operating cash outflows are largely attributable to recurring expenditures for raw materials, labor, rent, interest, taxes and other operating activities.

Net cash provided by operating activities was $101.3 million for the six months ended June 27, 2020, compared to $80.1 million during the six months ended June 29, 2019. The increase in net cash provided by operating activities was primarily due to lower annual incentive payments and favorable changes in net working capital driven by the timing of collections of accounts receivable and changes in accounts payable partially offset by lower earnings largely due to the impact of COVID-19.

Cash Flow from Investing Activities

Net cash used in investing activities was $29.4 million for the six months ended June 27, 2020 compared to $19.8 million during the six months ended June 29, 2019. Capital expenditures were $29.5 million, representing an increase of $4.2 million compared to 2019. During the six months ended June 29, 2019, the Company received proceeds of $6.4 million from the sale of a property within the Industrial segment.

Cash Flow from Financing Activities

Net cash provided by financing activities was $50.5 million for the six months ended June 27, 2020 compared to net cash used in financing activities of $75.6 million for the six months ended June 29, 2019. During the six months ended June 27, 2020, the company borrowed $100.0 million from its revolving credit facility to preserve financial flexibility and enhance liquidity, given the increasing levels of uncertainty related to COVID-19. On April 3, 2020, the Company amended the Credit Agreement to eliminate the $200.0 million unsecured term loan credit facility, with the remaining outstanding balance of $140.0 million repaid in full on April 3, 2020 through a new borrowing of $140.0 million under the recently amended revolving credit facility. The Company made principal payments of $5.0 million and $7.5 million on the term loan during the six months ended June 27, 2020 and June 29, 2019, respectively. For the six months ended June 27, 2020 and June 29, 2019, the Company repurchased 175,110 and 268,130 shares of its common stock totaling $22.9 million and $45.5 million, respectively, but made payments of $49.9 million related to settled share repurchases during the six months ended June 29, 2019. Additionally, dividends paid

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increased $2.1 million from $21.3 million in the six months ended June 29, 2019 to $23.4 million for the six months ended June 27, 2020.

Share Repurchase Program

The Company’s Board of Directors authorized the repurchase of up to 1,000,000 shares of the Company’s common stock under a program for the period May 1, 2018 to April 30, 2019 ("2018 program"). On April 26, 2019, the Company's Board of Directors authorized a program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2019 to April 30, 2020 ("2019 program") to replace its previous expired 2018 program. On April 23, 2020, the Company's Board of Directors authorized a new program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2020 to April 30, 2021 (the "2020 program") to replace its previous expired 2019 program. The 2019 program expired on April 30, 2020 with 324,890 of authorized repurchases remaining. The Company has suspended share repurchases for the near-term due to the uncertainty of the impact and duration of COVID-19 and to focus on other capital allocation priorities.

The Company did not repurchase shares of its common stock during the three months ended June 27, 2020, and for the three months ended June 29, 2019, the Company repurchased 188,214 shares of its common stock totaling $32.0 million. For the six months ended June 27, 2020 and June 29, 2019, the Company repurchased 175,110 and 268,130 shares of its common stock totaling $22.9 million and $45.5 million, respectively.

Off-Balance Sheet Arrangements

As of June 27, 2020, the Company did not have any off-balance sheet arrangements, as defined under SEC rules. Specifically, the Company was not liable for guarantees of indebtedness owed by third parties, the Company was not directly liable for the debt of any unconsolidated entity and the Company did not have any retained or contingent interest in assets. The Company does not participate in transactions that generate relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities.

Critical Accounting Policies and Estimates

The Company’s Condensed Consolidated Financial Statements are prepared in accordance with U.S. GAAP. In connection with the preparation of the Condensed Consolidated Financial Statements, the Company uses estimates and makes judgments and assumptions about future events that affect the reported amounts of assets, liabilities, revenue, expenses, and the related disclosures. The assumptions, estimates, and judgments are based on historical experience, current trends, and other factors the Company believes are relevant at the time it prepares the Condensed Consolidated Financial Statements.

The significant accounting policies and critical accounting estimates are consistent with those discussed in Note 1, Summary of Significant Accounting Policies and Other Information, to the consolidated financial statements and the MD&A section of the Company’s Annual Report on Form 10-K for the year ended December 28, 2019. During the six months ended June 27, 2020, there were no significant changes in the application of critical accounting policies.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

See Item 7A, Quantitative and Qualitative Disclosures about Market Risk, of our Annual Report on Form 10-K for the year ended December 28, 2019. During the six months ended June 27, 2020, there have been no material changes in our exposure to market risk.

ITEM 4. CONTROLS AND PROCEDURES 

(a) Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures (as defined in Rules 13a-15(b) and 15d-15(e) under the Exchange Act) are designed to ensure that information required to be disclosed in reports filed or submitted under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC rules and forms, and that such information is accumulated and communicated to management, including our Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosures.

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In connection with the preparation of this report, management, under the supervision and with the participation of the Chief Executive Officer and Chief Financial Officer, conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures as of June 27, 2020. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of the quarter ended June 27, 2020, our disclosure controls and procedures were effective.

(b) Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting identified in connection with the evaluation required by Rules 13a-15(f) and 15d-15(f) under the Exchange Act that occurred during the quarter ended June 27, 2020 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II – OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS 

None.

ITEM 1A. RISK FACTORS 

The COVID-19 pandemic could have a material adverse effect on our ability to operate, results of operations, financial condition, liquidity, and capital investments.

The World Health Organization has declared the COVID-19 outbreak a pandemic, and the virus continues to spread in areas where we operate and sell our products. The COVID-19 pandemic and similar situations/circumstances in the future could have a material adverse effect on our ability to operate, results of operations, financial condition, liquidity, and capital investments. Several public health organizations have recommended, and some local governments have implemented, certain measures to slow and limit the transmission of the virus, including travel restrictions, shelter-in-place requirements and social distancing requirements. Such preventive measures, or others we may voluntarily put in place, may have a material adverse effect on our business for an indefinite period of time, such as the potential shut down of certain locations, decreased employee availability, potential border closures, disruptions to the businesses of our channel partners, and others. Our suppliers and customers may also face these and other challenges, which could lead to a disruption in our supply chain as well as decreased demand for our products. These issues may also materially affect our future access to our sources of liquidity, particularly our cash flows from operations, financial condition, capitalization, and capital investments. These disruptions may continue to occur and may result in future impairment, restructuring and other charges. To the extent the COVID-19 pandemic adversely affects our business and financial results, it may also have the effect of heightening many of the other risks described in the risk factors disclosed in Part I, Item 1a. Risk Factors of our Form 10-K, including those relating to our products and services, financial performance, debt covenant compliance and debt obligations. The ultimate magnitude of COVID-19, including the extent of its impact on our financial and operational results, which could be material, will be determined by the length of time that the pandemic continues, its effect on the demand for our services, as well as the effect of governmental regulations imposed in response to the pandemic. We cannot at this time predict the impact of the COVID-19 pandemic, but it could have a material adverse effect on our business, financial condition, results of operations and/or cash flows.

Other than the item listed above, there have been no material changes in our risk factors from those disclosed in our Annual Report on Form 10-K for our year ended December 28, 2019.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS 

Recent Sales of Unregistered Securities

None.

Purchases of Equity Securities

On May 1, 2019, the Company announced that its Board of Directors authorized a program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2019 to April 30, 2020 ("2019 program"). On April 29, 2020, the Company announced that its Board of Directors authorized a new program to repurchase up to 1,000,000 shares of the

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Company's common stock for the period May 1, 2020 to April 30, 2021 (the "2020 program") to replace its previous expired 2019 program. There were 324,890 shares authorized to be repurchased under the 2019 program when it expired.

The Company did not repurchase shares of its common stock during the three months ended June 27, 2020. There are 1,000,000 shares available to be repurchased as of June 27, 2020 under the 2020 program.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES 

None.

ITEM 4. MINE SAFETY DISCLOSURES 

None.

ITEM 5. OTHER INFORMATION 

None.

ITEM 6. EXHIBITS

Exhibit	Description
10.1	Amended and Restated Credit Agreement, dated as of April 3, 2020, by and among Littelfuse, Inc., certain subsidiaries of the company, as designated borrowers, certain subsidiaries of the company, as guarantors, the lenders party thereto and Bank of America, N.A., as agent, JPMorgan Chase Bank, N.A., as syndication agent, PNC Bank, National Association, as senior documentation agent, BMO Harris Bank, N.A. and Wells Fargo Bank, National Association, as co-documentation agents, BofA Securities, Inc. as sole bookrunner and joint lead arranger, and JPMorgan Chase Bank, N.A., as joint lead arranger (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed April 7, 2020, Commission File No. 20388).+
10.2	Form of Restricted Stock Unit Award Agreement (Tier I) under the Littelfuse, Inc. Long-Term Incentive Plan (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed April 24, 2020, Commission File No. 20388). ++
10.3	Form of Option Award Agreement (Tier I) under the Littelfuse, Inc. Long-Term Incentive Plan (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed April 24, 2020, Commission File No. 20388). ++
10.4	Form of Restricted Stock Unit Award Agreement (Non-Employee Director) under the Littelfuse, Inc. Long-Term Incentive Plan (filed as Exhibit 10.3 to the Company’s Current Report on Form 8-K filed April 24, 2020, Commission File No. 20388). ++
10.5	Form of Option Award Agreement (Non-Employee Director) under the Littelfuse, Inc. Long-Term Incentive Plan (filed as Exhibit 10.4 to the Company’s Current Report on Form 8-K filed April 24, 2020, Commission File No. 20388). ++
10.6	Form of Restricted Stock Unit Award Agreement (Tier II) under the Littelfuse, Inc. Long-Term Incentive Plan (filed as Exhibit 10.6 to the Company’s Quarterly Report on Form 10-Q filed April 29, 2020, Commission File No. 20388). ++
10.7	Form of Restricted Stock Unit Award Agreement (IXYS Tier II) under the IXYS Corporation Equity Incentive Plan (filed as Exhibit 10.7 to the Company’s Quarterly Report on Form 10-Q filed April 29, 2020, Commission File No. 20388). ++

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10.8*	Form of Retention Stock Option Award Agreement under the Littelfuse, Inc. Long-Term Incentive Plan. ++
10.9*	Form of Retention Stock Option Award Agreement under the IXYS Corporation Equity Incentive Plan. ++
10.10*	Form of Retention Restricted Stock Unit Award Agreement under the Littelfuse, Inc. Long-Term Incentive Plan. ++
10.11*	Form of Retention Restricted Stock Unit Award Agreement under the IXYS Corporation Equity Incentive Plan. ++
31.1*	Certification of David W. Heinzmann, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Meenal A. Sethna, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	The following financial information from LITTELFUSE, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 27, 2020 formatted in Inline XBRL (Extensible Business Reporting Language) includes: (i) the Condensed Consolidated Balance Sheets, (ii) the Condensed Consolidated Statements of Net (Loss) Income, (iii) the Condensed Consolidated Statements of Comprehensive (Loss) Income, (iv) the Consolidated Statements of Changes in Stockholders Equity , (v) the Condensed Consolidated Statements of Cash Flows, and (vi) Notes to the Condensed Consolidated Financial Statements.
104	The cover page from this Quarterly Report on Form 10-Q for the quarter ended June 27, 2020, formatted in Inline XBRL.
+	Certain schedules and exhibits omitted pursuant to Item 601(b)(2) of Regulation S-K promulgated by the SEC. The registrant agrees to furnish supplementary a copy of any omitted schedule or exhibit to the SEC upon request.
++	Management contract or compensatory plan or arrangement.
*	Filed herewith.
**	Furnished herewith.

39

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Quarterly Report on Form 10-Q for the quarter ended June 27, 2020, to be signed on its behalf by the undersigned thereunto duly authorized.

	Littelfuse, Inc.
	By:	/s/ Meenal A. Sethna
		Meenal A. Sethna
	Executive Vice President and Chief Financial Officer
Date: July 29, 2020	By:	/s/ Jeffrey G. Gorski
		Jeffrey G. Gorski
	Vice President and Chief Accounting Officer

40

EX-10.8

AMENDED AND RESTATED LITTELFUSE, INC. LONG-TERM INCENTIVE PLAN RETENTION STOCK OPTION AWARD AGREEMENT Littelfuse, Inc. (the “Company”) hereby grants to [Name] (the “Grantee”), a Participant in the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended from time-to- time (the “Plan”), a nonqualified option to purchase shares of Littelfuse, Inc. common stock (the “Options” or “Award”), subject to the terms and conditions as described herein. This agreement to grant Options (the “Award Agreement”) is effective as of [Date] (the “Grant Date”). RECITALS A. The Board of Directors of the Company (the “Board”) has adopted the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan as an incentive to attract, retain and motivate highly qualified individuals. B. Under the Plan, the Compensation Committee of the Board, or its delegate (the “Committee”) has the exclusive authority to interpret and apply the Plan and this Award Agreement. C. The Committee has approved the granting of Options to the Grantee pursuant to the Plan to provide an incentive to the Grantee to focus on the long-term growth of the Company and its subsidiaries. D. To the extent not specifically defined herein, all capitalized terms used in this Award Agreement shall have the meaning set forth in the Plan. If there is any discrepancy between the Award Agreement and the Plan, the Plan will always govern. In consideration of the mutual covenants and conditions hereinafter set forth and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Grantee agree as follows: 1. Grant of Options. The Company hereby grants to the Grantee a Stock Option Award, described below, subject to the terms and conditions in this Award Agreement. This Award is granted pursuant to the Plan and its terms are incorporated by reference. Award Type Grant Number Exercise Expiration Date Date of Options Price Per Share Non-Qualified Stock Option [date] [number] [price] [expiration date] 2. Vesting of Options. Except as otherwise set forth in Section 4, the Options will vest and become exercisable (in whole shares, rounded down) in accordance with the schedule below: Installment Vesting Date Applicable to Installment 100% 3rd anniversary of Grant Date 3. Expiration. The Options, including any vested Option, shall not be exercisable after the Company’s close of business on the last business day that occurs on or prior to the Expiration Date. The “Expiration Date” shall be on the seventh anniversary of the Date of Grant, subject to the provisions in Section 4.

4. Termination of Employment or Service. a. General. Except as otherwise set forth in Sections 4b. and 4c. below, if the Grantee terminates all employment and service with the Company and its subsidiaries for any reason (including upon a retirement or termination for Cause), any Option that is not vested under the schedule in Section 2 is forfeited as of the date of the Grantee’s termination of employment and service. Other than due to termination for Cause, any vested Option will remain exercisable for 3 months following the Grantee’s termination of employment and service (or the Option Expiration Date, if sooner). In any event, if the Grantee’s termination of employment or service is due to Cause, all Options will expire on the date of termination, regardless of the vesting date. b. Death or Disability. If the Grantee terminates all employment and service with the Company as a result of his or her death, all unvested Options shall become immediately vested and the Options will remain exercisable for 12 months following the date of death. If the Grantee terminates all employment and service with the Company as a result of his or her Disability, as defined in the Plan, all unvested Options shall become immediately vested and the Options will remain exercisable for 3 months following the date of termination. c. Change in Control. In the event the Company terminates the Grantee’s employment or service without Cause within two years following a Change in Control, then all unvested Options shall become immediately vested and the Options will remain exercisable until the Option Expiration Date. The existence of Cause will be determined in the sole discretion of the Chief Legal Officer of the Company (or, in the case of an Option held by such officer, the Chief Executive Officer of the Company). Also, the Committee may, in its sole discretion, choose to accelerate the vesting of the Award in special circumstances. 5. Method of Option Exercise. Subject to the terms of this Award Agreement and the Plan, the Grantee may exercise, in whole or in part, any vested Option at any time by complying with the exercise procedures established by the Company in its sole discretion. The Grantee shall pay the Exercise Price for the Options being exercised to the Company in full, at the time of the exercise, either: a. In cash; b. In shares of Stock having a Fair Market Value equal to the aggregate Exercise Price for the shares of Stock being purchased and satisfying such other requirements as may be imposed by the Company; provided, that, such shares of Stock have been held by the Grantee for no less than six (6) months; c. Partly in cash and partly in shares of Stock (described in 5b); or

d. Through the delivery of irrevocable instructions to a broker to deliver promptly to the Company an amount equal to the aggregate Exercise Price for the shares of Stock being purchased (“cashless exercise”). Anything to the contrary herein notwithstanding, the Options cannot be exercised, and the Company shall not be obligated to issue any shares of Stock hereunder, if the Company determines that the issuance of such shares would violate the provision of any applicable law, including the rules and regulations of any securities exchange on which the Stock is traded. Fractional shares will not be paid. 6. Responsibility for Taxes. Regardless of any action the Company and/or its subsidiary employing the Grantee (the “Employer”) take with respect to any or all income tax, social insurance, payroll tax, payment on account or other tax-related items related to the Grantee’s participation in the Plan and legally applicable to the Grantee (“Tax-Related Items”), the Grantee acknowledges that the ultimate liability for all Tax-Related Items is and remains the Grantee’s responsibility and may exceed the amount actually withheld by the Company or the Employer. The Grantee further acknowledges that the Company and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of the Option, including the grant, vesting or exercise of the Option, the subsequent sale of any shares of Stock acquired pursuant to such exercise, and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the Options to reduce or eliminate the Grantee’s liability for Tax- Related Items or achieve any particular tax result. Further, if the Grantee has become subject to tax in more than one jurisdiction between the Grant Date and the date of any relevant taxable or tax withholding event, the Grantee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction. Prior to any relevant taxable or tax withholding event, as applicable (which, for persons subject to U.S. taxation, should be date of exercise), the Grantee will pay or make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. In this regard, the Grantee authorizes the Company and/or the Employer, or their respective agents, at the Company’s discretion, to satisfy the obligations with regard to all Tax- Related Items by one or a combination of the following: (a) withholding from the Grantee’s wages or other cash compensation paid to the Grantee by the Company and/or the Employer; (b) withholding from proceeds of the sale of shares of Stock acquired upon exercise of the Option either through a voluntary sale or through a mandatory sale arranged by the Company (on the Grantee’s behalf pursuant to this authorization); (c) withholding in shares of Stock to be issued upon exercise of the Option; or (d) personal check or other cash equivalent acceptable to the Company or the Employer (as applicable). Depending on the withholding method, the Company or the Employer may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or other applicable withholding rates. If the obligation for Tax-Related Items is satisfied by withholding a number of shares of Stock as described herein, for tax purposes, the Grantee shall be deemed to have been issued the full number of shares of Stock subject to the Options exercised, notwithstanding that a number of the shares are held back solely for the purpose of paying the Tax-Related Items due as a result of any

aspect of the Grantee’s participation in the Plan. The Grantee shall pay to the Company and/or the Employer any amount of Tax-Related Items that the Company and/or the Employer may be required to withhold as a result of the Grantee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to honor the exercise and refuse to issue or deliver the shares or the proceeds of the sale of shares of Stock if the Grantee fails to comply with his or her obligations in connection with the Tax-Related Items. 7. Transferability. The Options are not transferable other than: (a) by will or by the laws of descent and distribution; (b) pursuant to a domestic relations order; or (c) to members of the Grantee’s immediate family, to trusts solely for the benefit of such immediate family members or to partnerships in which family members and/or trusts are the only partners, all as provided under the terms of the Plan. After any such transfer, the transferred Options shall remain subject to the terms of the Plan. 8. Adjustment of Shares. In the event of any transaction described in Section 4.3 of the Plan, the terms of this Award (including, without limitation, the number and kind of shares subject to this Option and the Exercise Price) may be adjusted, as applicable, as set forth in Section 4.3 of the Plan. 9. Shareholder Rights. The grant of an Option does not confer on the Grantee any rights as a shareholder or any contractual or other rights of service or employment with the Company or its subsidiaries. The Grantee will not have shareholder rights with respect to any shares of Stock subject to Options until an Option is exercised and the shares are delivered to the Grantee. No adjustment shall be made for dividends, distributions or other rights for which the record date is prior to such date, except as provided under the Plan. 10. Data Privacy. In order to perform its requirements under the Plan, the Company or one or more of its subsidiaries may process sensitive personal data about the Grantee. Such data includes but is not limited to the information provided in the Award package and any changes thereto, other appropriate personal and financial data about the Grantee, and information about the Grantee’s participation in the Plan and Options exercised under the Plan from time to time. By accepting this Award Agreement, the Grantee hereby gives consent to the Company and its subsidiaries to hold, process, use and transfer any personal data outside the country in which the Grantee is employed and to the United States, and vice-versa. The legal persons for whom the personal data is intended includes the Company and any of its subsidiaries, the outside plan administrator as selected by the Company from time to time, and any other person that the Company may find appropriate in its administration of the Plan. The Grantee may review and correct any personal data by contacting the local Human Resources Representative. The Grantee understands that the transfer of the information outlined herein is important to the administration of the Plan and failure to consent to the transmission of such information may limit or prohibit participation in the Plan. 11. Appendix. Notwithstanding any provisions in this Award Agreement, the grant of the Options shall be subject to any special terms and conditions set forth in any appendix (or any appendices) to this Award Agreement for the Grantee's country (the "Appendix"). Moreover, if the Grantee relocates to one of the countries included in the Appendix, the special terms and conditions for such country will apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or

advisable in order to comply with local law or facilitate the administration of the Plan. The Appendix constitutes part of this Award Agreement. 12. Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to the Options or other awards granted to the Grantee under the Plan by electronic means. The Grantee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an online or electronic system established and maintained by the Company or a third party designated by the Company. 13. Severability. If one or more of the provisions in this Award Agreement shall be held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby and the invalid, illegal or unenforceable provisions shall be deemed null and void; however, to the extent permissible by law, any provisions which could be deemed null and void shall first be construed, interpreted or revised retroactively to permit this Award Agreement to be construed so as to foster the intent of this Award Agreement and the Plan. 14. Amendments. Except as otherwise provided in Section 15, this Award Agreement may be amended only by a written agreement executed by the Company and the Grantee. 15. Section 409A. The Options are intended to be exempt from the requirements of Section 409A. The Plan and this Award Agreement shall be administered and interpreted in a manner consistent with this intent. If the Company determines that the Options are subject to Section 409A and that an Option Award fails to comply with the requirements of Section 409A, the Company may, at the Company’s sole discretion, and without the Grantee’s consent, amend this Award Agreement to cause the Options to comply with Section 409A or be exempt from Section 409A. 16. Governing Law. This Award Agreement shall be construed under the laws of the State of Delaware. IN WITNESS WHEREOF, the Company has caused this Award Agreement to be executed in its name and on its behalf, as of the Grant Date. LITTELFUSE, INC David W. Heinzmann President and Chief Executive Officer

APPENDIX WAIVER OF DATA PRIVACY FOR NON-U.S. RESIDENTS By accepting this Award (whether by electronic means or otherwise), you consent to Littelfuse holding, processing, using, and transferring your personal data relating to this Award across country borders to the Littelfuse corporate headquarters in the United States, to the extent determined by Littelfuse to be necessary to operate the Plan, administer awards, maintain records of holders of equity rights in Littelfuse, carry out the operations of Littelfuse, or comply with securities or other applicable laws. You acknowledge that transfers of your personal data may include providing your information to recordkeepers or third party administrators for the Plan, registrars or brokers hired to handle transactions involving Littelfuse common stock, or prospective or future purchasers of Littelfuse (or its affiliates or the business for which you work). You further acknowledge that your personal information may include your name, address, tax identification number, work location, and information about your awards. You further acknowledge that you have received a copy of the Plan and that you understand your participation in the Plan is voluntary. You can revoke your consent to the transfer of your personal data, access or correct your data, or obtain a copy of the Littelfuse data processing policies or the Plan, by contacting our VP, Compensation, Benefits & HRIS during normal U.S. business hours (9 a.m. – 6 p.m. CST) at (773) 628-0864. WARNING FOR HONG KONG RESIDENTS: The contents of this document have not been reviewed by any regulatory authority in Hong Kong. If you are a Hong Kong resident, you are advised to exercise caution in relation to this Award. If you are in any doubt about any of the contents of this document, you should obtain independent professional advice.

EX-10.9

IXYS CORPORATION 2013 EQUITY INCENTIVE PLAN RETENTION STOCK OPTION AWARD AGREEMENT Littelfuse, Inc. (the “Company”) hereby grants to [Name] (the “Grantee”), a Participant in the IXYS Corporation 2013 Equity Incentive Plan , as amended from time-to-time (the “Plan”), a nonqualified option to purchase shares of Littelfuse, Inc. common stock (the “Options” or “Award”), subject to the terms and conditions as described herein. This agreement to grant Options (the “Award Agreement”) is effective as of [Date] (the “Grant Date”). RECITALS A. The Board of Directors of the Company (the “Board”) has adopted the IXYS Corporation 2013 Equity Incentive Plan as an incentive to attract, retain and motivate highly qualified individuals. B. Under the Plan, the Compensation Committee of the Board, or its delegate (the “Committee”) has the exclusive authority to interpret and apply the Plan and this Award Agreement. C. The Committee has approved the granting of Options to the Grantee pursuant to the Plan to provide an incentive to the Grantee to focus on the long-term growth of the Company and its subsidiaries. D. To the extent not specifically defined herein, all capitalized terms used in this Award Agreement shall have the meaning set forth in the Plan. If there is any discrepancy between the Award Agreement and the Plan, the Plan will always govern. In consideration of the mutual covenants and conditions hereinafter set forth and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Grantee agree as follows: 1. Grant of Options. The Company hereby grants to the Grantee a Stock Option Award, described below, subject to the terms and conditions in this Award Agreement. This Award is granted pursuant to the Plan and its terms are incorporated by reference. Award Type Grant Number of Exercise Price Expiration Date Options Per Share Date Non-Qualified Stock [date] [number] [price] [expiration Option date] 2. Vesting of Options. Except as otherwise set forth in Section 4, the Options will vest and become exercisable (in whole shares, rounded down) in accordance with the schedule below: Installment Vesting Date Applicable to Installment 100% 3rd anniversary of Grant Date 3. Expiration. The Options, including any vested Option, shall not be exercisable after the Company’s close of business on the last business day that occurs on or prior to the Expiration Date. The “Expiration Date” shall be on the seventh anniversary of the Date of Grant, subject to the provisions in Section 4.

4. Termination of Employment or Service. a. General. Except as otherwise set forth in Sections 4b, 4c, and 4d. below, if the Grantee terminates all employment and service with the Company and its subsidiaries for any reason (including upon a retirement or termination for Cause), any Option that is not vested under the schedule in Section 2 is forfeited as of the date of the Grantee’s termination of employment and service. Other than due to termination for Cause, any vested Option will remain exercisable for 3 months following the Grantee’s termination of employment and service (or the Option Expiration Date, if sooner). In any event, if the Grantee’s termination of employment or service is due to Cause, all Options will expire on the date of termination, regardless of the vesting date. b. Death or Disability. If the Grantee terminates all employment and service with the Company as a result of his or her death, all unvested Options shall become immediately vested and the Options will remain exercisable for 12 months following the date of death. If the Grantee terminates all employment and service with the Company as a result of his or her Disability, as defined in the Plan, all unvested Options shall become immediately vested and the Options will remain exercisable for 3 months following the date of termination. c. Change in Control. In the event the Company terminates the Grantee’s employment or service without Cause within two years following a Change in Control, then all unvested Options shall become immediately vested and the Options will remain exercisable until the Option Expiration Date. As used in this Award Agreement, “Change in Control” means the first of the following events to occur: (i) The acquisition by any one person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(v)(B)), other than the Company, any subsidiary, or any employee benefit plan (or related trust) sponsored or maintained by the Company or any subsidiary, (a “Person”) of any of stock of the Company that, together with stock held by such Person, constitutes more than 50% of the total fair market value or total voting power of the stock of the Company. For purposes of this Paragraph (a), the following acquisitions shall not constitute a Change in Control: (i) the acquisition of additional stock by a Person who is considered to own more than 50% of the total fair market value or total voting power of the stock of the Company, (ii) any acquisition in which the Company does not remain outstanding thereafter, and (iii) any acquisition pursuant to a transaction which complies with Paragraph (c) below. An increase in the percentage of stock owned by any one Person as a result of a transaction in which the Company acquires its stock in exchange for property will be treated as an acquisition of stock for purposes of this Paragraph; (ii) The replacement of individuals who constitute a majority of the Board of Directors of the Company, during any twelve (12) month period, by directors whose

appointment or election is not endorsed by a majority of the Board of Directors of the Company before the date of the appointment or election, provided that, if the Company is not the relevant corporation for which no other corporation is a majority shareholder for purposes of Treasury Regulation Section 1.409A- 3(i)(5)(iv)(A)(2), this Paragraph (b) shall be applied instead with respect to the members of the board of the directors of such relevant corporation for which no other corporation is a majority shareholder; (iii) The acquisition by any one person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vi)(D)), other than the Company, a subsidiary or any employee benefit plan (or related trust) sponsored or maintained by the Company or any subsidiary, during the 12-month period ending on the date of the most recent acquisition by such by such person or persons, of ownership of stock of the Company possessing 30% or more of the total voting power of the stock of the Company. For purposes of this Paragraph (c), the following acquisitions shall not constitute a Change in Control: (i) the acquisition of additional control by a person or more than one person acting as a group who are considered to effectively control the Company within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vi), and (ii) any acquisition pursuant to a transaction which complies with Paragraph (a); or (iv) The acquisition by any individual person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vii)(C)), other than a transfer to a related person within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vii)(B), during the 12-month period ending on the date of the most recent acquisition by such by such person or persons, of assets from the Company that have a total gross fair market value equal to or more than 40% of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition(s). For purposes of this Paragraph (d), “gross fair market value” means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. The above definition of “Change in Control” shall be interpreted by the Board of Directors of the Company, in good faith, to apply in a similar manner to transactions involving partnerships and partnership interests, and to comply with Code Section 409A. Section 9.1 of the IXYS Corporation 2013 Equity Incentive Plan shall not apply to this Award. d. Reorganization. If the Company is part of any reorganization involving merger, consolidation, acquisition of the stock or acquisition of the assets of the Company, the Committee, in its discretion, may decide that: (i) any portion of the Award Agreement shall pertain to and apply, with appropriate adjustment as determined by the Committee, to the securities of the resulting corporation; and/or (ii) any portion of the Award Agreement on which restrictions have not yet lapsed

shall become immediately fully vested, nonforfeitable and payable. The existence of Cause will be determined in the sole discretion of the Chief Legal Officer of the Company (or, in the case of an Option held by such officer, the Chief Executive Officer of the Company). Also, the Committee may, in its sole discretion, choose to accelerate the vesting of the Award in special circumstances. 5. Method of Option Exercise. Subject to the terms of this Award Agreement and the Plan, the Grantee may exercise, in whole or in part, any vested Option at any time by complying with the exercise procedures established by the Company in its sole discretion. The Grantee shall pay the Exercise Price for the Options being exercised to the Company in full, at the time of the exercise, either: a. In cash; b. In shares of Stock having a Fair Market Value equal to the aggregate Exercise Price for the shares of Stock being purchased and satisfying such other requirements as may be imposed by the Company; provided, that, such shares of Stock have been held by the Grantee for no less than six (6) months; c. Partly in cash and partly in shares of Stock (described in 5b); or d. Through the delivery of irrevocable instructions to a broker to deliver promptly to the Company an amount equal to the aggregate Exercise Price for the shares of Stock being purchased (“cashless exercise”). Anything to the contrary herein notwithstanding, the Options cannot be exercised, and the Company shall not be obligated to issue any shares of Stock hereunder, if the Company determines that the issuance of such shares would violate the provision of any applicable law, including the rules and regulations of any securities exchange on which the Stock is traded. Fractional shares will not be paid. 6. Responsibility for Taxes. Regardless of any action the Company and/or its subsidiary employing the Grantee (the “Employer”) take with respect to any or all income tax, social insurance, payroll tax, payment on account or other tax-related items related to the Grantee’s participation in the Plan and legally applicable to the Grantee (“Tax-Related Items”), the Grantee acknowledges that the ultimate liability for all Tax-Related Items is and remains the Grantee’s responsibility and may exceed the amount actually withheld by the Company or the Employer. The Grantee further acknowledges that the Company and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of the Option, including the grant, vesting or exercise of the Option, the subsequent sale of any shares of Stock acquired pursuant to such exercise, and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the Options to reduce or eliminate the Grantee’s liability for Tax- Related Items or achieve any particular tax result. Further, if the Grantee has become subject to tax in more than one jurisdiction between the Grant Date and the date of any relevant taxable or tax withholding event, the Grantee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction.

Prior to any relevant taxable or tax withholding event, as applicable (which, for persons subject to U.S. taxation, should be date of exercise), the Grantee will pay or make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. In this regard, the Grantee authorizes the Company and/or the Employer, or their respective agents, at the Company’s discretion, to satisfy the obligations with regard to all Tax- Related Items by one or a combination of the following: (a) withholding from the Grantee’s wages or other cash compensation paid to the Grantee by the Company and/or the Employer; (b) withholding from proceeds of the sale of shares of Stock acquired upon exercise of the Option either through a voluntary sale or through a mandatory sale arranged by the Company (on the Grantee’s behalf pursuant to this authorization); (c) withholding in shares of Stock to be issued upon exercise of the Option; or (d) personal check or other cash equivalent acceptable to the Company or the Employer (as applicable). Depending on the withholding method, the Company or the Employer may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or other applicable withholding rates. If the obligation for Tax-Related Items is satisfied by withholding a number of shares of Stock as described herein, for tax purposes, the Grantee shall be deemed to have been issued the full number of shares of Stock subject to the Options exercised, notwithstanding that a number of the shares are held back solely for the purpose of paying the Tax-Related Items due as a result of any aspect of the Grantee’s participation in the Plan. The Grantee shall pay to the Company and/or the Employer any amount of Tax-Related Items that the Company and/or the Employer may be required to withhold as a result of the Grantee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to honor the exercise and refuse to issue or deliver the shares or the proceeds of the sale of shares of Stock if the Grantee fails to comply with his or her obligations in connection with the Tax-Related Items. 7. Transferability. The Options are not transferable other than: (a) by will or by the laws of descent and distribution; (b) pursuant to a domestic relations order; or (c) to members of the Grantee’s immediate family, to trusts solely for the benefit of such immediate family members or to partnerships in which family members and/or trusts are the only partners, all as provided under the terms of the Plan. After any such transfer, the transferred Options shall remain subject to the terms of the Plan. 8. Adjustment of Shares. In the event of any transaction described in Section 4.3 of the Plan, the terms of this Award (including, without limitation, the number and kind of shares subject to this Option and the Exercise Price) may be adjusted, as applicable, as set forth in Section 4.3 of the Plan. 9. Shareholder Rights. The grant of an Option does not confer on the Grantee any rights as a shareholder or any contractual or other rights of service or employment with the Company or its subsidiaries. The Grantee will not have shareholder rights with respect to any shares of Stock subject to Options until an Option is exercised and the shares are delivered to the Grantee. No adjustment shall be made for dividends, distributions or other rights for which the record date is prior to such date, except as provided under the Plan.

10. Data Privacy. In order to perform its requirements under the Plan, the Company or one or more of its subsidiaries may process sensitive personal data about the Grantee. Such data includes but is not limited to the information provided in the Award package and any changes thereto, other appropriate personal and financial data about the Grantee, and information about the Grantee’s participation in the Plan and Options exercised under the Plan from time to time. By accepting this Award Agreement, the Grantee hereby gives consent to the Company and its subsidiaries to hold, process, use and transfer any personal data outside the country in which the Grantee is employed and to the United States, and vice-versa. The legal persons for whom the personal data is intended includes the Company and any of its subsidiaries, the outside plan administrator as selected by the Company from time to time, and any other person that the Company may find appropriate in its administration of the Plan. The Grantee may review and correct any personal data by contacting the local Human Resources Representative. The Grantee understands that the transfer of the information outlined herein is important to the administration of the Plan and failure to consent to the transmission of such information may limit or prohibit participation in the Plan. 11. Appendix. Notwithstanding any provisions in this Award Agreement, the grant of the Options shall be subject to any special terms and conditions set forth in any appendix (or any appendices) to this Award Agreement for the Grantee's country (the "Appendix"). Moreover, if the Grantee relocates to one of the countries included in the Appendix, the special terms and conditions for such country will apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable in order to comply with local law or facilitate the administration of the Plan. The Appendix constitutes part of this Award Agreement. 12. Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to the Options or other awards granted to the Grantee under the Plan by electronic means. The Grantee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an online or electronic system established and maintained by the Company or a third party designated by the Company. 13. Severability. If one or more of the provisions in this Award Agreement shall be held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby and the invalid, illegal or unenforceable provisions shall be deemed null and void; however, to the extent permissible by law, any provisions which could be deemed null and void shall first be construed, interpreted or revised retroactively to permit this Award Agreement to be construed so as to foster the intent of this Award Agreement and the Plan. 14. Amendments. Except as otherwise provided in Section 15, this Award Agreement may be amended only by a written agreement executed by the Company and the Grantee. 15. Section 409A. The Options are intended to be exempt from the requirements of Section 409A. The Plan and this Award Agreement shall be administered and interpreted in a manner consistent with this intent. If the Company determines that the Options are subject to Section 409A and that an Option Award fails to comply with the requirements of Section 409A, the Company may, at the Company’s sole discretion, and without the Grantee’s consent, amend this Award Agreement to cause the Options to comply with

Section 409A or be exempt from Section 409A. 16. Governing Law. This Award Agreement shall be construed under the laws of the State of Delaware. IN WITNESS WHEREOF, the Company has caused this Award Agreement to be executed in its name and on its behalf, as of the Grant Date. LITTELFUSE, INC David W. Heinzmann President and Chief Executive Officer

APPENDIX WAIVER OF DATA PRIVACY FOR NON-U.S. RESIDENTS By accepting this Award (whether by electronic means or otherwise), you consent to Littelfuse holding, processing, using, and transferring your personal data relating to this Award across country borders to the Littelfuse corporate headquarters in the United States, to the extent determined by Littelfuse to be necessary to operate the Plan, administer awards, maintain records of holders of equity rights in Littelfuse, carry out the operations of Littelfuse, or comply with securities or other applicable laws. You acknowledge that transfers of your personal data may include providing your information to recordkeepers or third party administrators for the Plan, registrars or brokers hired to handle transactions involving Littelfuse common stock, or prospective or future purchasers of Littelfuse (or its affiliates or the business for which you work). You further acknowledge that your personal information may include your name, address, tax identification number, work location, and information about your awards. You further acknowledge that you have received a copy of the Plan and that you understand your participation in the Plan is voluntary. You can revoke your consent to the transfer of your personal data, access or correct your data, or obtain a copy of the Littelfuse data processing policies or the Plan, by contacting our VP, Compensation, Benefits & HRIS during normal U.S. business hours (9 a.m. – 6 p.m. CST) at (773) 628-0864. WARNING FOR HONG KONG RESIDENTS: The contents of this document have not been reviewed by any regulatory authority in Hong Kong. If you are a Hong Kong resident, you are advised to exercise caution in relation to this Award. If you are in any doubt about any of the contents of this document, you should obtain independent professional advice.

EX-10.10

AMENDED AND RESTATED LITTELFUSE, INC. LONG-TERM INCENTIVE PLAN RETENTION RESTRICTED STOCK UNIT AWARD AGREEMENT Littelfuse, Inc. (the “Company”) hereby grants to [Name] (the “Grantee”), a Participant in the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended from time-to- time (the “Plan”), a Restricted Stock Unit Award (the “Award”) for units representing shares of common stock of the Company (“Restricted Stock Units” or “RSUs”), subject to the terms and conditions as described herein. This agreement to grant Restricted Stock Units (the “Award Agreement”), is effective as of [Date] (the “Grant Date”). RECITALS A. The Board of Directors of the Company (the “Board”) has adopted the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan as an incentive to attract, retain and motivate highly qualified individuals. B. Under the Plan, the Compensation Committee of the Board (the “Committee”), or its delegate, has the exclusive authority to interpret and apply the Plan and this Award Agreement. C. The Committee has approved the granting of Restricted Stock Units to the Grantee pursuant to the Plan to provide an incentive to the Grantee to focus on the long-term growth of the Company and its subsidiaries. D. To the extent not specifically defined herein, all capitalized terms used in this Award Agreement shall have the meaning set forth in the Plan. If there is any discrepancy between the Award Agreement and the Plan, the Plan will always govern. In consideration of the mutual covenants and conditions hereinafter set forth and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Grantee agree as follows: 1. Grant of Restricted Stock Units. The Company hereby grants to the Grantee a Restricted Stock Unit Award, described below, subject to the terms and conditions in this Award Agreement. This Award is granted pursuant to the Plan and its terms are incorporated by reference. Award Type Grant Date Number of RSUs Restricted Stock Units [date] [number] 2. Vesting of Restricted Stock Units. Subject to the provisions of Section 3, the RSUs will vest (in whole shares, rounded down) in accordance with the schedule below: Installment Vesting Date Applicable to Installment 100% 3rd anniversary of Grant Date

3. Termination of Employment or Service. a. General. Except as otherwise set forth in Sections 3 b. and 3c. , if the Grantee terminates all employment and service with the Company and its subsidiaries for any reason (including upon retirement or a termination for Cause), any RSU that is not vested under the schedule in Section 2 is forfeited as of the date of the Grantee’s termination of employment and service. b. Death or Disability. If the Grantee terminates all employment and service with the Company and its subsidiaries as a result of death or Disability, the unvested portion of the RSU shall vest pro-rata, based on the Grantee’s continuous employment and service with the Company or any of its subsidiaries completed from the Grant Date to the date of termination (rounded down to the nearest whole number so that no fractional shares will vest). c. Change in Control. In the event of a Change in Control, then the unvested portion of the RSUs shall become immediately vested. The existence of Cause will be determined in the sole discretion of the Chief Legal Officer of the Company (or, in the case of an RSU held by such officer, the Chief Executive Officer of the Company). Also, the Committee may, in its sole discretion, choose to accelerate the vesting of the Award in special circumstances. 4. Delivery of Stock. As soon as reasonably practicable following each vesting date, the vested RSUs shall be converted into Stock, or the equivalent value in cash, and delivered to the Grantee, pursuant to Section 8.3 of the Plan; provided, such Stock or equivalent value in cash shall be delivered to the Grantee no later than 60 days following the applicable vesting date. Fractional shares will not be paid. 5. Responsibility for Taxes and Withholding. The Grantee acknowledges that, regardless of any action the Company or its subsidiary employing the Grantee (the “Employer”) takes with respect to any or all income tax, social insurance, payroll tax, fringe benefits tax, payment on account, or other tax-related items related to the Grantee’s participation in the Plan and legally applicable to the Grantee (the “Tax-Related Items”), the ultimate liability for all Tax-Related Items is and remains the Grantee’s responsibility and may exceed the amount actually withheld by the Company or the Employer. The Grantee further acknowledges that the Company and/or the Employer: (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of the RSUs, including the grant of the RSUs, the vesting of RSUs, the conversion of the RSUs into Stock or the receipt of an equivalent cash payment, the subsequent sale of any Stock acquired at vesting and the receipt of any dividends and/or dividend equivalents; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the RSUs to reduce or eliminate the Grantee’s liability for Tax-Related Items or achieve any particular tax result. Further, if the Grantee has become subject to tax in more than one jurisdiction between the Grant Date and the date of any relevant taxable event, the Grantee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction. Prior to any relevant taxable or tax withholding event, as applicable, the Grantee shall pay, or make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all

Tax-Related Items. In this regard, pursuant to Section 16 of the Plan, if permissible under local law and subject to any restrictions provided by the Committee prior to the vesting of the RSUs, the Grantee authorizes the Company or the Employer, or their respective agents, to withhold whole shares of Stock to be issued upon vesting/settlement of the RSUs equal to all applicable Tax-Related Items, rounded down to the nearest whole share (“net settlement”). Alternatively, or in addition, subject to any restrictions provided by the Committee prior to the vesting of the RSUs, the Grantee authorizes the Company and/or the Employer, or their respective agents, to satisfy the obligations with regard to all Tax-Related Items by one or a combination of the following: (i) withholding from the Grantee’s wages or other cash compensation payable to the Grantee by the Company and/or the Employer; (ii) withholding from proceeds of the sale of shares of Stock acquired upon vesting/settlement of the RSUs either through a voluntary sale or through a mandatory sale arranged by the Company (on the Grantee’s behalf pursuant to this authorization); or (iii) personal check or other cash equivalent acceptable to the Company or the Employer (as applicable). Depending on the withholding method, the Company or the Employer may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or such greater amounts not to exceed the maximum statutory rate necessary, in the applicable jurisdiction, to satisfy federal, state, and local withholding tax requirements (but only if withholding at a rate greater than the minimum statutory rate will not result in adverse financial accounting consequences). In the event that the Company or the Employer withholds an amount for Tax- Related Items that exceeds the maximum withholding amount under applicable law, the Grantee shall receive a refund of such over-withheld amount in cash and shall have no entitlement to an equivalent amount in Stock. If the obligation for Tax-Related Items is satisfied by withholding a number of shares of Stock as described herein, for tax purposes, the Grantee shall be deemed to have been issued the full number of shares of Stock subject to the Award, notwithstanding that a number of the shares of Stock are held back solely for the purpose of paying the Tax-Related Items due as a result of the Grantee’s participation in the Plan. Finally, the Grantee shall pay to the Company or to the Employer any amount of Tax-Related Items that the Company or the Employer may be required to withhold or account for as a result of the Grantee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to issue or deliver shares or the proceeds of the sale of shares of Stock if the Grantee fails to comply with his or her obligation in connection with the Tax-Related Items. 6. Transferability. The RSUs are not transferable other than: (a) by will or by the laws of descent and distribution; (b) pursuant to a domestic relations order; or (c) to members of the Grantee’s immediate family, to trusts solely for the benefit of such immediate family members or to partnerships in which family members and/or trusts are the only partners, all as provided under the terms of the Plan. After any such transfer, the transferred RSUs shall remain subject to the terms of the Plan. 7. Adjustment of Shares. In the event of any transaction described in Section 4.3 of the Plan, the terms of this Award may be adjusted as set forth in Section 4.3 of the Plan.

8. Shareholder Rights. The grant of RSUs does not confer on the Grantee any rights as a shareholder or any contractual or other rights of service or employment with the Company or its subsidiaries. The Grantee will not have shareholder rights with respect to any shares of Stock subject to an RSU until the RSU is vested and shares of Stock are delivered to the Grantee. No adjustment shall be made for dividends, distributions or other rights for which the record date is prior to such vesting date, except as provided under the Plan. 9. Data Privacy. In order to perform its requirements under the Plan, the Company or one or more of its subsidiaries may process sensitive personal data about the Grantee. Such data includes but is not limited to the information provided in the Award package and any changes thereto, other appropriate personal and financial data about the Grantee, and information about the Grantee’s participation in the Plan and RSUs exercised under the Plan from time to time. By accepting this Award Agreement, the Grantee hereby gives consent to the Company and its subsidiaries to hold, process, use and transfer any personal data outside the country in which the Grantee is employed and to the United States, and vice-versa. The legal persons for whom the personal data is intended includes the Company and any of its subsidiaries, the outside plan administrator as selected by the Company from time to time, and any other person that the Company may find appropriate in its administration of the Plan. The Grantee may review and correct any personal data by contacting the local Human Resources Representative. The Grantee understands that the transfer of the information outlined herein is important to the administration of the Plan and failure to consent to the transmission of such information may limit or prohibit participation in the Plan. 10. Appendix. Notwithstanding any provisions in this Award Agreement, the grant of the RSUs shall be subject to any special terms and conditions set forth in any appendix (or any appendices) to this Award Agreement for the Grantee's country (the "Appendix"). Moreover, if the Grantee relocates to one of the countries included in the Appendix, the special terms and conditions for such country will apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable in order to comply with local law or facilitate the administration of the Plan. The Appendix constitutes part of this Award Agreement. 11. Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to the RSU or other awards granted to the Grantee under the Plan by electronic means. The Grantee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an online or electronic system established and maintained by the Company or a third party designated by the Company. 12. Severability. If one or more of the provisions in this Award Agreement shall be held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby and the invalid, illegal or unenforceable provisions shall be deemed null and void; however, to the extent permissible by law, any provisions which could be deemed null and void shall first be construed, interpreted or revised retroactively to permit this Award Agreement to be construed so as to foster the intent of this Award Agreement and the Plan. 13. Amendments. Except as otherwise provided in Section 14, this Award Agreement may be amended only by a written agreement executed by the Company and the Grantee.

14. Section 409A. The RSUs are intended to comply with the requirements of Section 409A. The Plan and this Award Agreement shall be administered and interpreted in a manner consistent with this intent. If the Company determines that the RSUs fail to comply with the requirements of Section 409A, the Company may, at the Company’s sole discretion, and without the Grantee’s consent, amend this Award Agreement to cause the RSUs to comply with Section 409A. Any payments under this Award shall be treated as separate payments for purposes of Section 409A. For purposes of determining timing of payments, any references to retirement, resignation, or termination of employment or service shall mean a “separation of service” as defined in Section 409A, and any payment to a “specified employee” within the meaning of Section 409A made on account of a separation from service shall be subject to a 6-month specified employee delay in accordance with Section 13.2(b) of the Plan. 15. Governing Law. This Award Agreement shall be construed under the laws of the State of Delaware. IN WITNESS WHEREOF, the Company has caused this Award Agreement to be executed in its name and on its behalf, as of the Grant Date. LITTELFUSE, INC. David W. Heinzmann President and Chief Executive Officer

APPENDIX WAIVER OF DATA PRIVACY FOR NON-U.S. RESIDENTS By accepting this Award (whether by electronic means or otherwise), you consent to Littelfuse holding, processing, using, and transferring your personal data relating to this Award across country borders to the Littelfuse corporate headquarters in the United States, to the extent determined by Littelfuse to be necessary to operate the Plan, administer awards, maintain records of holders of equity rights in Littelfuse, carry out the operations of Littelfuse, or comply with securities or other applicable laws. You acknowledge that transfers of your personal data may include providing your information to recordkeepers or third party administrators for the Plan, registrars or brokers hired to handle transactions involving Littelfuse common stock, or prospective or future purchasers of Littelfuse (or its affiliates or the business for which you work). You further acknowledge that your personal information may include your name, address, tax identification number, work location, and information about your awards. You further acknowledge that you have received a copy of the Plan and that you understand your participation in the Plan is voluntary. You can revoke your consent to the transfer of your personal data, access or correct your data, or obtain a copy of the Littelfuse data processing policies or the Plan, by contacting our VP, Compensation, Benefits & HRIS during normal U.S. business hours (9 a.m. – 6 p.m. CST) at (773) 628-0864. WARNING FOR HONG KONG RESIDENTS: The contents of this document have not been reviewed by any regulatory authority in Hong Kong. If you are a Hong Kong resident, you are advised to exercise caution in relation to this Award. If you are in any doubt about any of the contents of this document, you should obtain independent professional advice.

EX-10.11

IXYS CORPORATION 2013 EQUITY INCENTIVE PLAN RETENTION RESTRICTED STOCK UNIT AWARD AGREEMENT Littelfuse, Inc. (the “Company”) hereby grants to [Name] (the “Grantee”), a Participant in the IXYS Corporation 2013 Equity Incentive Plan, as amended from time-to-time (the “Plan”), a Restricted Stock Unit Award (the “Award”) for units representing shares of common stock of the Company (“Restricted Stock Units” or “RSUs”), subject to the terms and conditions as described herein. This agreement to grant Restricted Stock Units (the “Award Agreement”), is effective as of [Date] (the “Grant Date”). RECITALS A. The Board of Directors of the Company (the “Board”) maintains the IXYS Corporation 2013 Equity Incentive Plan as an incentive to attract, retain and motivate highly qualified individuals. B. The Board has delegated its authority to administer the Plan to the Compensation Committee of the Board, or its delegate (the “Committee”). C. The Committee has approved the granting of Restricted Stock Units to the Grantee pursuant to the Plan to provide an incentive to the Grantee to focus on the long-term growth of the Company and its subsidiaries. D. To the extent not specifically defined herein, all capitalized terms used in this Award Agreement shall have the meaning set forth in the Plan. If there is any discrepancy between the Award Agreement and the Plan, the Plan will always govern. In consideration of the mutual covenants and conditions hereinafter set forth and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Grantee agree as follows: 1. Grant of Restricted Stock Units. The Company hereby grants to the Grantee a Restricted Stock Unit Award, described below, subject to the terms and conditions in this Award Agreement. This Award is granted pursuant to the Plan and its terms are incorporated by reference. Award Type Grant Date Number of RSUs Restricted Stock Units [date] [number] 2. Vesting of Restricted Stock Units. Subject to the provisions of Section 3, the RSUs will vest (in whole shares, rounded down) in accordance with the schedule below: Installment Vesting Date Applicable to Installment 100% 3rd anniversary of Grant Date

3. Termination of Employment or Service. a. General. Except as otherwise set forth in Sections 3 b. and 3c. below, if the Grantee terminates all employment and service with the Company and its subsidiaries for any reason (including upon retirement or a termination for Cause), any RSU that is not vested under the schedule in Section 2 is forfeited as of the date of the Grantee’s termination of employment and service. b. Death or Disability. If the Grantee terminates all employment and service with the Company and its subsidiaries as a result of death or Disability, the unvested portion of the RSU shall vest pro-rata, based on the Grantee’s continuous employment and service with the Company or any of its subsidiaries (including prior service with IXYS Corporation) completed from the Grant Date to the date of termination (rounded down to the nearest whole number so that no fractional shares will vest). c. Change in Control. In the event the Company or any of its subsidiaries terminates the Grantee’s employment and service with the Company and its subsidiaries without Cause within two years following a Change in Control, then the unvested portion of the RSU shall become immediately vested. The existence of Cause will be determined in the sole discretion of the Chief Legal Officer of the Company (or, in the case of an RSU held by such officer, the Chief Executive Officer of the Company). Also, the Committee may, in its sole discretion, choose to accelerate the vesting of the Award in special circumstances. 4. Defined Terms. As used in this Award Agreement, the following terms have the following meanings: “Disability” means, unless otherwise provided in an employment, change of control or similar agreement in effect between the Grantee and the Company or one of its subsidiaries, the Grantee is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months; or, by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months, receiving income replacement benefits for a period of not less than 3 months under an accident and health plan covering employees of the Company or one of its subsidiaries. “Change in Control” means the first of the following events to occur: a) The acquisition by any one person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(v)(B)), other than the Company, any subsidiary, or any employee benefit plan (or related trust) sponsored or maintained by the Company or any subsidiary, (a “Person”) of any of stock of the Company that, together with stock held by such Person, constitutes more than 50% of the total fair market value or total voting power of the stock of the Company. For purposes of this Paragraph (a), the following acquisitions shall not constitute a Change in Control: (i) the acquisition of additional stock by a Person who is considered to own more than 50% of the total fair market value or total voting power of the stock of the Company, (ii) any acquisition in which the

Company does not remain outstanding thereafter, and (iii) any acquisition pursuant to a transaction which complies with Paragraph (c) below. An increase in the percentage of stock owned by any one Person as a result of a transaction in which the Company acquires its stock in exchange for property will be treated as an acquisition of stock for purposes of this Paragraph; b) The replacement of individuals who constitute a majority of the Board of Directors of the Company, during any twelve (12) month period, by directors whose appointment or election is not endorsed by a majority of the Board of Directors of the Company before the date of the appointment or election, provided that, if the Company is not the relevant corporation for which no other corporation is a majority shareholder for purposes of Treasury Regulation Section 1.409A-3(i)(5)(iv)(A)(2), this Paragraph (b) shall be applied instead with respect to the members of the board of the directors of such relevant corporation for which no other corporation is a majority shareholder; c) The acquisition by any one person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vi)(D)), other than the Company, a subsidiary or any employee benefit plan (or related trust) sponsored or maintained by the Company or any subsidiary, during the 12-month period ending on the date of the most recent acquisition by such by such person or persons, of ownership of stock of the Company possessing 30% or more of the total voting power of the stock of the Company. For purposes of this Paragraph (c), the following acquisitions shall not constitute a Change in Control: (i) the acquisition of additional control by a person or more than one person acting as a group who are considered to effectively control the Company within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vi), and (ii) any acquisition pursuant to a transaction which complies with Paragraph (a); or d) The acquisition by any individual person or more than one person acting as a group (within the meaning of Treasury Regulation Section 1.409A-3(i)(5)(vii)(C)), other than a transfer to a related person within the meaning of Treasury Regulation Section 1.409A- 3(i)(5)(vii)(B), during the 12-month period ending on the date of the most recent acquisition by such by such person or persons, of assets from the Company that have a total gross fair market value equal to or more than 40% of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition(s). For purposes of this Paragraph (d), “gross fair market value” means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. The above definition of “Change in Control” shall be interpreted by the Board of Directors of the Company, in good faith, to apply in a similar manner to transactions involving partnerships and partnership interests, and to comply with Code Section 409A.

Reorganization: If the Company is part of any reorganization involving merger, consolidation, acquisition of the stock or acquisition of the assets of the Company, the Committee, in its discretion, may decide that: a) any portion of the Award Agreement shall pertain to and apply, with appropriate adjustment as determined by the Committee, to the securities of the resulting corporation; and/or b) any portion of the Award Agreement on which restrictions have not yet lapsed shall become immediately fully vested, nonforfeitable and payable. 5. Delivery of Stock. As soon as reasonably practicable following each vesting date, the vested RSUs shall be converted into Stock, or the equivalent value in cash, and delivered to the Grantee, pursuant to Section 8.4 of the Plan; provided, such Stock or equivalent in cash shall be delivered to the Grantee no later than 60 days following the applicable vesting date. Fractional shares will not be paid. 6. Responsibility for Taxes and Withholding. The Grantee acknowledges that, regardless of any action the Company or its subsidiary employing the Grantee (the “Employer”) takes with respect to any or all income tax, social insurance, payroll tax, fringe benefits tax, payment on account, or other tax-related items related to the Grantee’s participation in the Plan and legally applicable to the Grantee (the “Tax- Related Items”), the ultimate liability for all Tax-Related Items is and remains the Grantee’s responsibility and may exceed the amount actually withheld by the Company or the Employer. The Grantee further acknowledges that the Company and/or the Employer: (i) make no representations or undertakings regarding the treatment of any Tax- Related Items in connection with any aspect of the RSUs, including the grant of the RSUs, the vesting of RSUs, the conversion of the RSUs into Stock or the receipt of an equivalent cash payment, the subsequent sale of any Stock acquired at vesting and the receipt of any dividends and/or dividend equivalents; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the RSUs to reduce or eliminate the Grantee’s liability for Tax-Related Items or achieve any particular tax result. Further, if the Grantee has become subject to tax in more than one jurisdiction between the Grant Date and the date of any relevant taxable event, the Grantee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction. Prior to any relevant taxable or tax withholding event, as applicable, the Grantee shall pay, or make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. In this regard, pursuant to Section 11 of the Plan, if permissible under local law and subject to any restrictions provided by the Committee prior to the vesting of the RSUs, the Grantee authorizes the Company or the Employer, or their respective agents, to withhold whole shares of Stock to be issued upon vesting/settlement of the RSUs equal to all applicable Tax-Related Items, rounded down to the nearest whole share (“net settlement”). Alternatively, or in addition, subject to any restrictions provided by the Committee prior to the vesting of the RSUs, the Grantee authorizes the Company and/or the Employer, or their respective agents, to satisfy the obligations with regard to all Tax-Related Items by one or a combination of the following: (i) withholding from the Grantee’s wages or other cash compensation payable to the Grantee by the Company and/or the Employer; (ii) withholding from proceeds of the sale of shares of Stock acquired upon vesting/settlement of the RSUs either through a voluntary sale or through a

mandatory sale arranged by the Company (on the Grantee’s behalf pursuant to this authorization); or (iii) personal check or other cash equivalent acceptable to the Company or the Employer (as applicable). Depending on the withholding method, the Company or the Employer may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or such greater amounts not to exceed the maximum statutory rate necessary, in the applicable jurisdiction, to satisfy federal, state, and local withholding tax requirements (but only if withholding at a rate greater than the minimum statutory rate will not result in adverse financial accounting consequences). In the event that the Company or the Employer withholds an amount for Tax-Related Items that exceeds the maximum withholding amount under applicable law, the Grantee shall receive a refund of such over-withheld amount in cash and shall have no entitlement to an equivalent amount in Stock. If the obligation for Tax-Related Items is satisfied by withholding a number of shares of Stock as described herein, for tax purposes, the Grantee shall be deemed to have been issued the full number of shares of Stock subject to the Award, notwithstanding that a number of the shares of Stock are held back solely for the purpose of paying the Tax-Related Items due as a result of the Grantee’s participation in the Plan. Finally, the Grantee shall pay to the Company or to the Employer any amount of Tax- Related Items that the Company or the Employer may be required to withhold or account for as a result of the Grantee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to issue or deliver shares or the proceeds of the sale of shares of Stock if the Grantee fails to comply with his or her obligation in connection with the Tax-Related Items. 7. Transferability. The RSUs are not transferable other than: (a) by will or by the laws of descent and distribution; (b) pursuant to a domestic relations order; or (c) to members of the Grantee’s immediate family, to trusts solely for the benefit of such immediate family members or to partnerships in which family members and/or trusts are the only partners, all as provided under the terms of the Plan. After any such transfer, the transferred RSUs shall remain subject to the terms of the Plan. 8. Adjustment of Shares. In the event of any transaction described in Section 4.3 of the Plan, the terms of this Award may be adjusted as set forth in Section 4.3 of the Plan. 9. Shareholder Rights. The grant of RSUs does not confer on the Grantee any rights as a shareholder or any contractual or other rights of service or employment with the Company or its subsidiaries. The Grantee will not have shareholder rights with respect to any shares of Stock subject to an RSU until the RSU is vested and shares of Stock are delivered to the Grantee. No adjustment shall be made for dividends, distributions or other rights for which the record date is prior to such date, except as provided under the Plan. 10. Data Privacy. In order to perform its requirements under the Plan, the Company or one or more of its subsidiaries may process sensitive personal data about the Grantee. Such data includes but is not limited to the information provided in this Award package and any changes thereto, other appropriate personal and financial data about the Grantee, and information about the Grantee’s participation in the Plan and RSUs exercised under the Plan from time to time. By accepting this Award Agreement, the Grantee hereby gives consent to the Company and its subsidiaries to hold, process, use and transfer any personal data outside the country in which the Grantee is employed

and to the United States, and vice-versa. The legal persons for whom the personal data is intended includes the Company and any of its subsidiaries, the outside plan administrator as selected by the Company from time to time, and any other person that the Company may find appropriate in its administration of the Plan. The Grantee may review and correct any personal data by contacting the local Human Resources Representative. The Grantee understands that the transfer of the information outlined herein is important to the administration of the Plan and failure to consent to the transmission of such information may limit or prohibit participation in the Plan. 11. Appendix. Notwithstanding any provisions in this Award Agreement, the grant of the RSUs shall be subject to any special terms and conditions set forth in any appendix (or any appendices) to this Award Agreement for the Grantee's country (the "Appendix"). Moreover, if the Grantee relocates to one of the countries included in the Appendix, the special terms and conditions for such country will apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable in order to comply with local law or facilitate the administration of the Plan. The Appendix constitutes part of this Award Agreement. 12. Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to the RSU or other awards granted to the Grantee under the Plan by electronic means. The Grantee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an online or electronic system established and maintained by the Company or a third party designated by the Company. 13. Severability. If one or more of the provisions in this Award Agreement shall be held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby and the invalid, illegal or unenforceable provisions shall be deemed null and void; however, to the extent permissible by law, any provisions which could be deemed null and void shall first be construed, interpreted or revised retroactively to permit this Award Agreement to be construed so as to foster the intent of this Award Agreement and the Plan. 14. Amendments. Except as otherwise provided in Section 15, this Award Agreement may be amended only by a written agreement executed by the Company and the Grantee. 15. Section 409A. The RSUs are intended to comply with the requirements of Section 409A. The Plan and this Award Agreement shall be administered and interpreted in a manner consistent with this intent. If the Company determines that the RSUs fail to comply with the requirements of Section 409A, the Company may, at the Company’s sole discretion, and without the Grantee’s consent, amend this Award Agreement to cause the RSUs to comply with Section 409A. Any payments under this Award shall be treated as separate payments for purposes of Section 409A. For purposes of determining timing of payments, any references to retirement, resignation, or termination of employment or service shall mean a “separation of service” as defined in Section 409A, and any payment to a “specified employee” within the meaning of Section 409A made on account of a separation from service shall be subject to a 6- month specified employee delay to the extent required by Treasury Regulations Section 1.409A- 1(c)(3)(v) and shall not be paid until six months after the date of such separation from service, and any amount of such payment that would otherwise be payable during such six month period shall be paid at the end of such period.

16. Governing Law. This Award Agreement shall be construed under the laws of the State of Delaware. IN WITNESS WHEREOF, the Company has caused this Award Agreement to be executed in its name and on its behalf, as of the Grant Date. LITTELFUSE, INC. David W. Heinzmann President and Chief Executive Officer

APPENDIX WAIVER OF DATA PRIVACY FOR NON-U.S. RESIDENTS By accepting this Award (whether by electronic means or otherwise), you consent to Littelfuse holding, processing, using, and transferring your personal data relating to this Award across country borders to the Littelfuse corporate headquarters in the United States, to the extent determined by Littelfuse to be necessary to operate the Plan, administer awards, maintain records of holders of equity rights in Littelfuse, carry out the operations of Littelfuse, or comply with securities or other applicable laws. You acknowledge that transfers of your personal data may include providing your information to recordkeepers or third party administrators for the Plan, registrars or brokers hired to handle transactions involving Littelfuse common stock, or prospective or future purchasers of Littelfuse (or its affiliates or the business for which you work). You further acknowledge that your personal information may include your name, address, tax identification number, work location, and information about your awards. You further acknowledge that you have received a copy of the Plan and that you understand your participation in the Plan is voluntary. You can revoke your consent to the transfer of your personal data, access or correct your data, or obtain a copy of the Littelfuse data processing policies or the Plan, by contacting our VP, Compensation, Benefits & HRIS during normal U.S. business hours (9 a.m. – 6 p.m. CST) at (773) 628-0864. WARNING FOR HONG KONG RESIDENTS: The contents of this document have not been reviewed by any regulatory authority in Hong Kong. If you are a Hong Kong resident, you are advised to exercise caution in relation to this Award. If you are in any doubt about any of the contents of this document, you should obtain independent professional advice.

EX-31.1

EXHIBIT 31.1

SECTION 302 CERTIFICATION

I, David W. Heinzmann, certify that:

1I have reviewed this Quarterly Report on Form 10-Q of Littelfuse Inc.;

2Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: July 29, 2020
	/s/ David W. Heinzmann
	David W. Heinzmann President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

SECTION 302 CERTIFICATION

I, Meenal A. Sethna, certify that:

1I have reviewed this Quarterly Report on Form 10-Q of Littelfuse Inc.;

2Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: July 29, 2020
	/s/ Meenal A. Sethna
	Meenal A. Sethna Executive Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

LITTELFUSE, INC.

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of title 18, United States Code), each of the undersigned officers of Littelfuse, Inc. (“the Company”) does hereby certify that to his knowledge:

The Quarterly Report of the Company on Form 10-Q for the fiscal quarter ended June 27, 2020 (“the Report”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ David W. Heinzmann	/s/ Meenal A. Sethna
David W. Heinzmann	Meenal A. Sethna
President and Chief Executive Officer	Executive Vice President and Chief Financial Officer
Dated: July 29, 2020	Dated: July 29, 2020

XML

Cover Page - shares	6 Months Ended
	Jun. 27, 2020	Jul. 24, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 27, 2020
Document Transition Report	false
Entity File Number	0-20388
Entity Registrant Name	LITTELFUSE INC /DE
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3795742
Entity Address, Address Line One	8755 West Higgins Road
Entity Address, Address Line Two	Suite 500
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60631
City Area Code	773
Local Phone Number	628-1000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	LFUS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		24,341,584
Entity Central Index Key	0000889331
Current Fiscal Year End Date	--12-26
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Current assets:
Cash and cash equivalents	$ 651,867	$ 531,139
Short-term investments	44	44
Trade receivables, less allowances of $39,970 and $42,043 at June 27, 2020 and December 28, 2019, respectively	185,806	202,309
Inventories	248,020	237,507
Prepaid income taxes and income taxes receivable	1,529	4,831
Prepaid expenses and other current assets	31,899	28,564
Total current assets	1,119,165	1,004,394
Net property, plant, and equipment	334,677	344,617
Intangible assets, net of amortization	301,661	321,247
Goodwill	787,601	820,589
Investments	23,678	24,099
Deferred income taxes	7,555	8,069
Right of use lease assets, net	19,621	21,918
Other assets	17,100	14,965
Total assets	2,611,058	2,559,898
Current liabilities:
Accounts payable	113,767	117,320
Accrued liabilities	85,356	84,120
Accrued income taxes	10,034	14,122
Current portion of long-term debt	0	10,000
Total current liabilities	209,157	225,562
Long-term debt, less current portion	776,205	669,158
Deferred income taxes	46,562	49,763
Accrued post-retirement benefits	39,653	38,198
Non-current operating lease liabilities	15,155	17,166
Other long-term liabilities	61,892	64,037
Shareholders’ equity:
Common stock, par value $0.01 per share: 34,000,000 shares authorized; shares issued, June 27, 2020–25,983,147; December 28, 2019–25,855,203	257	256
Treasury stock, at cost: 1,643,369 and 1,473,901 shares, respectively	(242,192)	(216,447)
Additional paid-in capital	885,306	867,996
Accumulated other comprehensive loss	(124,219)	(106,823)
Retained earnings	943,151	950,901
Littelfuse, Inc. shareholders’ equity	1,462,303	1,495,883
Non-controlling interest	131	131
Total equity	1,462,434	1,496,014
Total liabilities and equity	$ 2,611,058	$ 2,559,898

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Statement of Financial Position [Abstract]
Allowance for trade receivables	$ 39,970	$ 42,043
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	34,000,000	34,000,000
Common stock issued (in shares)	25,983,147	25,855,203
Treasury stock (in shares)	1,643,369	1,473,901

XML

CONDENSED CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Income Statement [Abstract]
Net sales	$ 307,337	$ 397,879	$ 653,433	$ 803,379
Cost of sales	208,238	256,071	430,622	506,343
Gross profit	99,099	141,808	222,811	297,036
Selling, general, and administrative expenses	53,981	57,666	108,367	120,621
Goodwill impairment charge	33,841	0	33,841	0
Research and development expenses	13,400	21,458	27,995	42,867
Amortization of intangibles	9,827	10,050	19,808	20,241
Total operating expenses	111,049	89,174	190,011	183,729
Operating (loss) income	(11,950)	52,634	32,800	113,307
Interest expense	5,855	5,589	11,273	11,275
Foreign exchange (gain) loss	(6,010)	(3,575)	(3,426)	668
Other (income) expense, net	(1,210)	(2,947)	39	1,358
(Loss) income before income taxes	(10,585)	53,567	24,914	100,006
Income taxes	(1,594)	9,775	9,261	19,225
Net (loss) income	$ (8,991)	$ 43,792	$ 15,653	$ 80,781
(Loss) income per share:
Basic (in dollars per share)	$ (0.37)	$ 1.77	$ 0.64	$ 3.27
Diluted (in dollars per share)	$ (0.37)	$ 1.75	$ 0.64	$ 3.23
Weighted-average shares and equivalent shares outstanding:
Basic (in shares)	24,312	24,740	24,353	24,729
Diluted (in shares)	24,312	24,983	24,520	24,998

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (8,991)	$ 43,792	$ 15,653	$ 80,781
Other comprehensive (loss) income:
Pension and postemployment adjustment, net of tax	(10,839)	161	(10,278)	112
Foreign currency translation adjustments	8,422	(5,892)	(7,118)	2,230
Comprehensive (loss) income	$ (11,408)	$ 38,061	$ (1,743)	$ 83,123

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
OPERATING ACTIVITIES
Net (loss) income	$ 15,653	$ 80,781
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	27,728	25,727
Amortization of intangibles	19,808	20,241
Deferred revenue	(289)	0
Impairment charges	36,078	0
Stock-based compensation	10,852	12,250
Loss on investments and other assets	542	2,458
Deferred income taxes	2,512	(632)
Other	(1,222)	2,009
Changes in operating assets and liabilities:
Trade receivables	13,914	(13,242)
Inventories	(10,761)	6,230
Accounts payable	3,439	(17,927)
Accrued liabilities and income taxes	(19,144)	(36,713)
Prepaid expenses and other assets	2,176	(1,090)
Net cash provided by operating activities	101,286	80,092
INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	0	(775)
Purchases of property, plant, and equipment	(29,479)	(25,249)
Net proceeds from sale of property, plant and equipment	89	6,212
Net cash used in investing activities	(29,390)	(19,812)
FINANCING ACTIVITIES
Proceeds of revolving credit facility	240,000	0
Payments of term loan	(145,000)	(7,500)
Net proceeds related to stock-based award activities	3,642	3,011
Purchases of common stock	(22,927)	(49,861)
Debt issuance costs	(1,786)	0
Cash dividends paid	(23,403)	(21,274)
Net cash provided by (used in) financing activities	50,526	(75,624)
Effect of exchange rate changes on cash and cash equivalents	(1,694)	392
Increase (decrease) in cash and cash equivalents	120,728	(14,952)
Cash and cash equivalents at beginning of period	531,139	489,733
Cash and cash equivalents at end of period	651,867	474,781
Supplementary Cash Flow Information
Cash paid during the period for interest	10,799	11,478
Capital expenditures, not yet paid	$ 4,665	$ 0

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Addl. Paid in Capital	Treasury Stock	Accum. Other Comp. (Loss) Income	Retained Earnings	Non-controlling Interest
Balance at Dec. 29, 2018	$ 1,478,342	$ 254	$ 835,828	$ (116,454)	$ (97,924)	$ 856,507	$ 131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	36,989					36,989
Other comprehensive loss, net of tax	8,073				8,073
Stock-based compensation	3,966		3,966
Withheld shares on restricted share units for withholding taxes	(94)			(94)
Stock options exercised	2,292		2,292
Repurchases of common stock	(13,555)			(13,555)
Cash dividends paid	(10,625)					(10,625)
Balance at Mar. 30, 2019	1,505,388	254	842,086	(130,103)	(89,851)	882,871	131
Balance at Dec. 29, 2018	1,478,342	254	835,828	(116,454)	(97,924)	856,507	131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	80,781
Other comprehensive loss, net of tax	2,342
Balance at Jun. 29, 2019	1,509,942	255	855,192	(166,068)	(95,582)	916,014	131
Balance at Mar. 30, 2019	1,505,388	254	842,086	(130,103)	(89,851)	882,871	131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	43,792					43,792
Other comprehensive loss, net of tax	(5,731)				(5,731)
Stock-based compensation	8,284		8,284
Withheld shares on restricted share units for withholding taxes	(4,010)			(4,010)
Stock options exercised	4,823	1	4,822
Repurchases of common stock	(31,955)			(31,955)
Cash dividends paid	(10,649)					(10,649)
Balance at Jun. 29, 2019	1,509,942	255	855,192	(166,068)	(95,582)	916,014	131
Balance at Dec. 28, 2019	1,496,014	256	867,996	(216,447)	(106,823)	950,901	131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	24,644					24,644
Other comprehensive loss, net of tax	(14,979)				(14,979)
Stock-based compensation	2,965		2,965
Withheld shares on restricted share units for withholding taxes	(443)			(443)
Stock options exercised	3,399		3,399
Repurchases of common stock	(22,927)			(22,927)
Cash dividends paid	(11,725)					(11,725)
Balance at Mar. 28, 2020	1,476,948	256	874,360	(239,817)	(121,802)	963,820	131
Balance at Dec. 28, 2019	1,496,014	256	867,996	(216,447)	(106,823)	950,901	131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	15,653
Other comprehensive loss, net of tax	(17,396)
Balance at Jun. 27, 2020	1,462,434	257	885,306	(242,192)	(124,219)	943,151	131
Balance at Mar. 28, 2020	1,476,948	256	874,360	(239,817)	(121,802)	963,820	131
Increase (Decrease) in Stockholders' Equity
Net (loss) income	(8,991)					(8,991)
Other comprehensive loss, net of tax	(2,417)				(2,417)
Stock-based compensation	7,887		7,887
Withheld shares on restricted share units for withholding taxes	(2,375)			(2,375)
Stock options exercised	3,060	1	3,059
Cash dividends paid	(11,678)					(11,678)
Balance at Jun. 27, 2020	$ 1,462,434	$ 257	$ 885,306	$ (242,192)	$ (124,219)	$ 943,151	$ 131

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends paid, per share (in dollars per share)	$ 0.48	$ 0.48	$ 0.43

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Summary of Significant Accounting Policies and Other Information

6 Months Ended

Jun. 27, 2020

Accounting Policies [Abstract]

Summary of Significant Accounting Policies and Other Information

Summary of Significant Accounting Policies and Other Information

Nature of Operations 

Littelfuse, Inc. and subsidiaries (the “Company”) is a global manufacturer of leading technologies in circuit protection, power control and sensing. Serving over 100,000 end customers, the Company’s products are found in automotive and commercial vehicles, industrial applications, data and telecommunications, medical devices, consumer electronics and appliances. With its broad product portfolio of fuses, semiconductors, polymers, ceramics, relays and sensors, and extensive global infrastructure, the Company’s worldwide associates partner with its customers to design, manufacture and deliver innovative, high-quality solutions for a safer, greener and increasingly connected world.

Basis of Presentation 

The Company’s accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”) for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, certain information and disclosures normally included in the consolidated balance sheets, statements of net (loss) income and comprehensive (loss) income, statements of cash flows, and statement of stockholders' equity prepared in conformity with U.S. GAAP have been condensed or omitted as permitted by such rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. They have been prepared in accordance with accounting policies described in the Company’s Annual Report on Form 10-K for the fiscal year ended December 28, 2019 which should be read in conjunction with the disclosures therein. In the opinion of management, all adjustments considered necessary for a fair presentation have been included and are of a normal, recurring nature. Operating results for interim periods are not necessarily indicative of annual operating results.

Revenue Recognition

Revenue Disaggregation

The following tables disaggregate the Company’s revenue by primary business units for the three and six months ended June 27, 2020 and June 29, 2019:

	Three Months Ended June 27, 2020								Six Months Ended June 27, 2020
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	92,846	$	—	$	—	$	92,846	$	177,444	$	—	$	—	$	177,444
Electronics – Semiconductor	130,425		—		—		130,425		260,016		—		—		260,016
Passenger Car Products	—		30,309		—		30,309		—		82,954		—		82,954
Automotive Sensors	—		13,899		—		13,899		—		38,073		—		38,073
Commercial Vehicle Products	—		17,791		—		17,791		—		45,742		—		45,742
Industrial Products	—		—		22,067		22,067		—		—		49,204		49,204
Total	$	223,271	$	61,999	$	22,067	$	307,337	$	437,460	$	166,769	$	49,204	$	653,433

	Three Months Ended June 29, 2019								Six Months Ended June 29, 2019
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	108,481	$	—	$	—	$	108,481	$	216,858	$	—	$	—	$	216,858
Electronics – Semiconductor	151,072		—		—		151,072		308,089		—		—		308,089
Passenger Car Products	—		53,916		—		53,916		—		110,459		—		110,459
Automotive Sensors	—		24,682		—		24,682		—		50,739		—		50,739
Commercial Vehicle Products	—		30,052		—		30,052		—		60,935		—		60,935
Industrial Products	—		—		29,676		29,676		—		—		56,299		56,299
Total	$	259,553	$	108,650	$	29,676	$	397,879	$	524,947	$	222,133	$	56,299	$	803,379

See Note 14, Segment Information for net sales by segment and countries.

Revenue Recognition

The Company recognizes revenue on product sales in the period in which the Company satisfies its performance obligation and control of the product is transferred to the customer. The Company’s sales arrangements with customers are predominately short term in nature and generally provide for transfer of control at the time of shipment as this is the point at which title and risk of loss of the product transfers to the customer. At the end of each period, for those shipments where title to the products and the risk of loss and rewards of ownership do not transfer until the product has been received by the customer, the Company adjusts revenues and cost of sales for the delay between the time that the products are shipped and when they are received by the customer. The amount of revenue recorded reflects the consideration to which the Company expects to be entitled in exchange for goods and may include adjustments for customer allowance, rebates and price adjustments. The Company’s distribution channels are primarily through direct sales and independent third-party distributors.

The Company elected the practical expedient under Accounting Standards Codification ("ASC") 340-40-25-4 to expense commissions when incurred as the amortization period of the commission asset the Company would have otherwise recognized is less than one year.

Revenue and Billing

The Company generally accepts orders from customers through receipt of purchase orders or electronic data interchange based on written sales agreements and purchasing contracts. Contract pricing and selling agreement terms are based on market factors, costs, and competition. Pricing is often negotiated as an adjustment (premium or discount) from the Company’s published price lists. The customer is invoiced when the Company’s products are shipped to them in accordance with the terms of the sales agreement. As the Company’s standard payment terms are less than one year, the Company elected the practical expedient under ASC 606-10-32-18 to not assess whether a contract has a significant financing component. The Company also elected the practical expedient provided in ASC 606-10-25-18B to treat all product shipping and handling activities as fulfillment activities, and therefore recognize the gross revenue associated with the contract, inclusive of any shipping and handling revenue.

Ship and Debit Program

Some of the terms of the Company’s sales agreements and normal business conditions provide customers (distributors) the ability to receive price adjustments on products previously shipped and invoiced. This practice is common in the industry and is referred to as a “ship and debit” program. This program allows the distributor to debit the Company for the difference between the distributors’ contracted price and a lower price for specific transactions. Under certain circumstances (usually in a competitive situation or large volume opportunity), a distributor will request authorization for pricing allowances to reduce its price. When the Company approves such a reduction, the distributor is authorized to “debit” its account for the difference between the contracted price and the lower approved price. The Company establishes reserves for this program based on historic activity, electronic distributor inventory levels and actual authorizations for the debit and recognizes these debits as a reduction of revenue.

Return to Stock 

The Company has a return to stock policy whereby certain customers, with prior authorization from Littelfuse management, can return previously purchased goods for full or partial credit. The Company establishes an estimated allowance for these returns based on historic activity. Sales revenue and cost of sales are reduced to anticipate estimated returns.

Volume Rebates

The Company offers volume based sales incentives to certain customers to encourage greater product sales. If customers achieve their specific quarterly or annual sales targets, they are entitled to rebates. The Company estimates the projected amount of rebates that will be achieved by the customer and recognizes this estimated cost as a reduction to revenue as products are sold.

Recently Adopted Accounting Standards

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments." The standard modifies the measurement approach for credit losses on financial instruments, including trade receivables, from an incurred loss method to a current expected credit loss method ("CECL"). The standard requires the measurement of expected credit losses to be based on relevant information, including historical experiences, current conditions and a forecast that is supportable. The Company adopted the new standard on December 29, 2019. The adoption of the standard did not have a material effect on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-13 "Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirement for Fair Value Measurement." ASU 2018-13 modifies the disclosure requirements in Topic 820: "Fair Value Measurement," based on the FASB Concepts Statement, "Conceptual Framework for Financial Reporting - Chapter 8: Notes to Financial Statements," including consideration of costs and benefits. The new standard removes certain disclosures, modifies other disclosures and adds additional disclosures related to fair value measurement. The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018- 13 did not have a material impact on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-15, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic: 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)." ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018-15 did not have a material impact on our Condensed Consolidated Financial Statements.

In March 2020, the FASB issued ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” This ASU provides optional expedient and exceptions for applying generally accepted accounting principles to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The objective of this is to provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting due to the cessation of the London Interbank Offered Rate (LIBOR). The amendments in this update are effective for all entities as of March 12, 2020 through December 31, 2022. The Company does not expect a material effect from the adoption of this guidance on its Condensed Consolidated Financial Statements.

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Inventories

6 Months Ended

Jun. 27, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Raw materials	$	82,133	$	76,732
Work in process	92,681		84,561
Finished goods	106,904		110,388
Inventory Reserves	(33,698)		(34,174)
Total	$	248,020	$	237,507

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Property, Plant, and Equipment

6 Months Ended

Jun. 27, 2020

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, Plant, and Equipment

The components of net property, plant, and equipment at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Land	$	23,095	$	24,758
Building	118,409		108,501
Equipment	635,661		631,273
Accumulated depreciation and amortization	(442,488)		(419,915)
Total	$	334,677	$	344,617

The Company recorded depreciation expense of $13.9 million and $12.6 million for the three months ended June 27, 2020 and June 29, 2019, respectively, and $27.7 million and $25.7 million for six months ended June 27, 2020 and June 29, 2019, respectively.

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The amounts for goodwill and changes in the carrying value by segment for the six months ended June 27, 2020 are as follows:

(in thousands)	Electronics		Automotive		Industrial		Total
As of December 28, 2019	$	650,796	$	131,321	$	38,472	$	820,589
Impairments	—		(33,841)		—		(33,841)
Currency translation	860		128		(135)		853
As of June 27, 2020	$	651,656	$	97,608	$	38,337	$	787,601

The Company tests its goodwill annually for impairment on the first day of its fiscal fourth quarter, or more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. For the three months ended June 27, 2020, the Company recorded a non-cash charge of $33.8 million to recognize the impairment of goodwill in the automotive sensors reporting unit within the Automotive segment. The goodwill impairment charge was due to reductions in the estimated fair value for the automotive sensors reporting unit based on lower expectations for future revenue, profitability and cash flows as compared to the expectations of the 2019 annual goodwill impairment test. These lower future expectations were driven by projected extended declines in end market demand due to the COVID-19 pandemic. In addition, during the second quarter of 2020, certain customers notified the Company of their decision to delay future programs along with a customer canceling their existing program. The goodwill impairment charge was determined using Level 3 inputs, including discounted cash flow analysis and comparable marketplace fair value data. As of June 27, 2020, the automotive sensors reporting unit had $9.1 million of remaining goodwill.

The components of other intangible assets as of June 27, 2020 and December 28, 2019 are as follows:

	As of June 27, 2020
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,584	$	1,800	$	7,784
Patents, licenses and software	131,055		$	83,989	$	47,066
Distribution network	43,272		37,302		5,970
Customer relationships, trademarks, and tradenames	360,769		119,928		240,841
Total	$	544,680	$	243,019	$	301,661

	As of December 28, 2019
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,649	$	1,730	$	7,919
Patents, licenses and software	131,164		78,828		52,336
Distribution network	43,239		36,163		7,076
Customer relationships, trademarks, and tradenames	360,534		106,618		253,916
Total	$	544,586	$	223,339	$	321,247

During the three months ended June 27, 2020 and June 29, 2019, the Company recorded amortization expense of $9.8 million and $10.0 million, respectively. During six months ended June 27, 2020, the Company recorded amortization expense of $19.8 million and $20.2 million, respectively.

During the six months ended June 27, 2020, the Company recognized a $0.3 million non-cash impairment charge on a certain patent triggered by the Company’s announcement to consolidate a manufacturing facility within the Industrial segment.

Estimated annual amortization expense related to intangible assets with definite lives as of June 27, 2020 is as follows:

(in thousands)	Amount
2020	$	39,200
2021	37,811
2022	36,846
2023	32,135
2024	29,356
2025 and thereafter	145,511
Total	$	320,859

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Accrued Liabilities

6 Months Ended

Jun. 27, 2020

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

The components of accrued liabilities as of June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Employee-related liabilities	$	40,785	$	40,774
Operating lease liability	6,846		7,259
Interest	4,781		5,058
Professional services	3,130		3,986
Restructuring liability	4,463		2,679
Other non-income taxes	2,075		1,940
Other	23,276		22,424
Total	$	85,356	$	84,120

Employee-related liabilities consist primarily of payroll, sales commissions, bonus, employee benefit accruals and workers’ compensation. Bonus accruals include amounts earned pursuant to the Company’s primary employee incentive compensation plans. Other accrued liabilities include miscellaneous operating accruals and other client-related liabilities.

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Restructuring, Impairment and Other Charges

6 Months Ended

Jun. 27, 2020

Restructuring and Related Activities [Abstract]

Restructuring, Impairment and Other Charges

Restructuring, Impairment and Other Charges

The Company recorded restructuring, impairment and other charges for the three and six months ended June 27, 2020 and June 29, 2019 as follows:

	Three months ended June 27, 2020								Six months ended June 27, 2020
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	856	$	209	$	750	$	1,815	$	1,737	$	608	$	1,071	$	3,416
Other restructuring charges	(1)		(12)		22		9		—		108		25		133
Total restructuring charges	855		197		772		1,824		1,737		716		1,096		3,549
Impairment	—		33,841		—		33,841		—		33,841		2,237		36,078
Total	$	855	$	34,038	$	772	$	35,665	$	1,737	$	34,557	$	3,333	$	39,627

	Three months ended June 29, 2019								Six months ended June 29, 2019
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	1,698	$	3,241	$	674	$	5,613	$	3,498	$	3,846	$	721	$	8,065
Other restructuring charges	—		70		—		70		13		90		250		353
Total restructuring charges	1,698		3,311		674		5,683		3,511		3,936		971		8,418
Impairment	—		—		—		—		—		—		—		—
Total	$	1,698	$	3,311	$	674	$	5,683	$	3,511	$	3,936	$	971	$	8,418

2020

For the three and six months ended June 27, 2020, the Company recorded total restructuring charges of $1.8 million and $3.5 million, for employee termination costs and other restructuring charges. These charges primarily related to the reorganization of certain manufacturing, selling and administrative functions across all segments and the previously announced consolidation of a manufacturing facility within the Industrial segment. The Company also recognized $33.8 million and $36.1 million of impairment charges for the three and six months ended June 27, 2020, respectively, which included a $33.8 million goodwill impairment charge associated with the automotive sensors reporting unit within the Automotive segment in the second quarter of 2020 and $2.2 million related to the land and building associated with the Company’s previously announced consolidation of a manufacturing facility within the Industrial segment in the first quarter of 2020. The impairment charges of the land and

building were included in selling, general and administrative expenses. See Note 4, Goodwill and Other Intangible Assets for further discussion regarding the goodwill impairment charge.

2019

For the three and six months ended June 29, 2019, the Company recorded total restructuring charges of 5.7 million, and 8.4 million, respectively, for employee termination costs and other restructuring charges. These charges primarily related to reorganization of operations and selling, general and administrative functions as well as integration of IXYS within the Electronics segment and the reorganization of operations in the commercial vehicle products and automotive sensors businesses within the Automotive segment.

The restructuring reserves as of June 27, 2020 and December 28, 2019 are $4.5 million and $2.7 million, respectively. The restructuring reserves are included within accrued liabilities in the Condensed Consolidated Balance Sheets. The Company anticipates the remaining payments associated with employee terminations will primarily be completed by March 2021.

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Debt

6 Months Ended

Jun. 27, 2020

Debt Disclosure [Abstract]

Debt

Debt

The carrying amounts of debt at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Revolving Credit Facility	$	240,000	$	—
Term Loan	—		145,000
Euro Senior Notes, Series A due 2023	131,378		129,808
Euro Senior Notes, Series B due 2028	106,675		105,400
U.S. Senior Notes, Series A due 2022	25,000		25,000
U.S. Senior Notes, Series B due 2027	100,000		100,000
U.S. Senior Notes, Series A due 2025	50,000		50,000
U.S. Senior Notes, Series B due 2030	125,000		125,000
Other	2,619		2,619
Unamortized debt issuance costs	(4,467)		(3,669)
Total debt	776,205		679,158
Less: Current maturities	—		(10,000)
Total long-term debt	$	776,205	$	669,158

Revolving Credit Facility / Term Loan

On March 4, 2016, the Company entered into a five-year credit agreement (“Credit Agreement”) with a group of lenders for up to $700.0 million. The Credit Agreement consisted of an unsecured revolving credit facility (“Revolving Credit Facility”) of $575.0 million and an unsecured term loan credit facility (“Term Loan”) of up to $125.0 million. In addition, the Company had the ability, from time to time, to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $150.0 million, in the aggregate, in each case in minimum increments of $25.0 million, subject to certain conditions and the agreement of participating lenders.

On October 13, 2017, the Company amended the Credit Agreement to increase the Revolving Credit Facility from $575.0 million to $700.0 million and increase the Term Loan from $125.0 million to $200.0 million and to extend the expiration date from March 4, 2021 to October 13, 2022. The Credit Agreement also included the option for the Company to increase the size of the Revolving Credit Facility and the Term Loan by up to an additional $300.0 million, in the aggregate, subject to the satisfaction of certain conditions set forth in the Credit Agreement. Term Loans could be made in up to two advances. The first advance of $125.0 million occurred on October 13, 2017 and the second advance of $75.0 million occurred on January 16, 2018. For the Term Loan, the Company was required to make quarterly principal payments of 1.25% of the original term loan ($2.5 million quarterly) through maturity, with the remaining balance due on October 13, 2022. The Company paid $2.5 million and $5.0 million of principal payments on the term loan during the three and six months ended June 27, 2020, respectively.

On March 25, 2020, the company borrowed $100.0 million from the revolving credit facility to preserve financial flexibility and enhance liquidity, given the increasing levels of uncertainty related to coronavirus disease 2019 ("COVID-19").

On April 3, 2020, the Company amended the Credit Agreement to effect certain changes, including, among others: (i) eliminating the $200.0 million unsecured term loan credit facility, the remaining outstanding balance ($140.0 million) of which was repaid in full on April 3, 2020 through the revolving credit facility; (ii) making certain financial and non-financial covenants less restrictive on the Company; (iii) modifying performance-based interest rate margins and undrawn fees; and (iv) extending the maturity date to April 3, 2025. The amended Credit Agreement also allows the Company to increase the size of the revolving credit facility or enter into one or more tranches of term loans if there is no event of default and the Company is in compliance with certain financial covenants. 

Outstanding borrowings under the amended Credit Agreement bears interest, at the Company’s option, at either LIBOR, fixed for interest periods of one, two, three or six-month periods, plus 1.25% to 2.00%, or at the bank’s Base Rate, as defined, plus 0.25% to 1.00%, based upon the Company’s Consolidated Leverage Ratio, as defined. The Company was also required to pay commitment fees on unused portions of the credit agreement ranging from 0.125% to 0.20%, based on the Consolidated Leverage Ratio, as defined in the agreement. The amended Credit Agreement included representations, covenants and events of default that are customary for financing transactions of this nature. The effective interest rate on outstanding borrowings under the credit facility was 1.70% at June 27, 2020.

As of June 27, 2020, the Company had no amount outstanding in letters of credit and had available $148.6 million of borrowing capacity under the Revolving Credit Facility based on financial covenants. At June 27, 2020, the Company was in compliance with all covenants under the Credit Agreement.

Senior Notes

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold €212 million aggregate principal amount of senior notes in two series. The funding date for the Euro denominated senior notes occurred on December 8, 2016 for €117 million in aggregate amount of 1.14% Senior Notes, Series A, due December 8, 2023 (“Euro Senior Notes, Series A due 2023”), and €95 million in aggregate amount of 1.83% Senior Notes, Series B due December 8, 2028 (“Euro Senior Notes, Series B due 2028”) (together, the “Euro Senior Notes”). Interest on the Euro Senior Notes is payable semiannually on June 8 and December 8, commencing June 8, 2017.

On December 8, 2016, the Company entered into a Note Purchase Agreement, pursuant to which the Company issued and sold $125 million aggregate principal amount of senior notes in two series. On February 15, 2017, $25 million in aggregate principal amount of 3.03% Senior Notes, Series A, due February 15, 2022 (“U.S. Senior Notes, Series A due 2022”), and $100 million in aggregate principal amount of 3.74% Senior Notes, Series B, due February 15, 2027 (“U.S. Senior Notes, Series B due 2027”) (together, the “U.S. Senior Notes due 2022 and 2027”) were funded. Interest on the U.S. Senior Notes due 2022 and 2027 is payable semiannually on February 15 and August 15, commencing August 15, 2017.

On November 15, 2017, the Company entered into a Note Purchase Agreement pursuant to which the Company issued and sold $175 million in aggregate principal amount of senior notes in two series. On January 16, 2018, $50 million aggregate principal amount of 3.48% Senior Notes, Series A, due February 15, 2025 (“U.S. Senior Notes, Series A due 2025”) and $125 million in aggregate principal amount of 3.78% Senior Notes, Series B, due February 15, 2030 (“U.S. Senior Notes, Series B due 2030”) (together the “U.S. Senior Notes due 2025 and 2030” and with the Euro Senior Notes and the U.S. Senior Notes due 2022 and 2027, the “Senior Notes”) were funded. Interest on the U.S. Senior Notes due 2025 and 2030 is payable semiannually on February 15 and August 15, commencing on August 15, 2018.

The Senior Notes have not been registered under the Securities Act, or applicable state securities laws. The Senior Notes are general unsecured senior obligations and rank equal in right of payment with all existing and future unsecured unsubordinated indebtedness of the Company.

The Senior Notes are subject to certain customary covenants, including limitations on the Company’s ability, with certain exceptions, to engage in mergers, consolidations, asset sales and transactions with affiliates, to engage in any business that would substantially change the general business of the Company, and to incur liens. In addition, the Company is required to satisfy certain financial covenants and tests relating to, among other matters, interest coverage and leverage. At June 27, 2020, the Company was in compliance with all covenants under the Senior Notes.

The Company may redeem the Senior Notes upon the satisfaction of certain conditions and the payment of a make-whole amount to noteholders and are required to offer to repurchase the Senior Notes at par following certain events, including a change of control.

Interest paid on all Company debt was $3.4 million and $3.5 million for the three months ended June 27, 2020 and June 29, 2019, respectively, and $10.8 million and $11.5 million for the six months ended June 27, 2020 and June 29, 2019, respectively.

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Fair Value of Assets and Liabilities

6 Months Ended

Jun. 27, 2020

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities

Fair Value of Assets and Liabilities

For assets and liabilities measured at fair value on a recurring and nonrecurring basis, a three-level hierarchy of measurements based upon observable and unobservable inputs is used to arrive at fair value. Observable inputs are developed based on market data obtained from independent sources, while unobservable inputs reflect the Company’s assumptions about valuation based on the best information available in the circumstances. Depending on the inputs, the Company classifies each fair value measurement as follows:

Level 1—Valuations based on unadjusted quoted prices for identical assets or liabilities in active markets;

Level 2—Valuations based upon quoted prices for similar instruments, prices for identical or similar instruments in markets that are not active, or model-derived valuations, all of whose significant inputs are observable, and

Level 3—Valuations based upon one or more significant unobservable inputs.

Following is a description of the valuation methodologies used for instruments measured at fair value and their classification in the valuation hierarchy.

Cash Equivalents

Cash equivalents primarily consist of money market funds, which are held with an institution with sound credit rating and are highly liquid. The Company classified cash equivalents as Level 1 and are valued at cost which approximates fair value.

Investments in Equity Securities

Investments in equity securities listed on a national market or exchange are valued at the last sales price and classified within Level 1 of the valuation hierarchy and recorded in investments and other assets.

The Company has certain convertible debt and convertible preferred stock investments that are accounted for under the cost method reflected in other assets in the Condensed Consolidated Balance Sheets. During the six months ended June 29, 2019, the Company recorded impairment charges of $2.8 million in Other expense (income), net in the Condensed Consolidated Statements of Net (Loss) Income to adjust these certain investments to their estimated fair value. As of June 27, 2020 and December 28, 2019, the balances of these investments were $0.4 million. The fair value of these investments are measured on a nonrecurring basis using Level 3 inputs under the fair value hierarchy. The Company's accounting and finance management determines the valuation policies and procedures for Level 3 fair value measurements and is responsible for the development and determination of unobservable inputs.

Mutual Funds

The Company has a non-qualified Supplemental Retirement and Savings Plan which provides additional retirement benefits for certain management employees and named executive officers by allowing participants to defer a portion of their annual compensation. The Company maintains accounts for participants through which participants make investment elections. The marketable securities are classified as Level 1 under the fair value hierarchy as they are maintained in mutual funds with readily determinable fair value and recorded in other assets.

There were no changes during the quarter ended June 27, 2020 to the Company’s valuation techniques used to measure asset and liability fair values on a recurring basis. On October 30, 2019, the Company entered a foreign currency exchange forward contract to mitigate the currency fluctuation risk between the Chinese renminbi and U.S. dollar. The foreign currency contract was not designated as a hedge instrument and was marked to market on a monthly basis. The notional value of the forward contracts at December 28, 2019 was $16.0 million and expired on May 5, 2020. On March 23, 2020, the Company unwound the foreign currency exchange forward contract entered on October 30, 2019 and recognized a gain of $0.2 million within Other expenses, net during the six months ended June 27, 2020. The fair value of the foreign currency forward contract was valued using market exchange rates and classified as a Level 2 input under the fair value hierarchy.

As of June 27, 2020 and December 28, 2019, the Company did not hold any non-financial assets or liabilities that are required to be measured at fair value on a recurring basis.

The following table presents assets measured at fair value by classification within the fair value hierarchy as of June 27, 2020:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	148,409	$	—	$	—	$	148,409
Investments in equity securities	12,899		—		—		12,899
Mutual funds	10,650		—		—		10,650

The following table presents assets measured at fair value by classification within the fair value hierarchy as of December 28, 2019: 

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	118,999	$	—	$	—	$	118,999
Investments in equity securities	12,969		—		—		12,969
Mutual funds	10,464		—		—		10,464

In addition to the methods and assumptions used for the financial instruments recorded at fair value as discussed above, the following methods and assumptions are used to estimate the fair value of other financial instruments that are not marked to market on a recurring basis. The Company’s other financial instruments include cash and cash equivalents, short-term investments, accounts receivable and its long-term debt. Due to their short-term maturity, the carrying amounts of cash and cash equivalents, short-term investments and accounts receivable approximate their fair values. The Company’s revolving and term loan debt facilities’ fair values approximate book value at June 27, 2020 and December 28, 2019, as the rates on these borrowings are variable in nature.

The carrying value and estimated fair values of the Company’s Euro Senior Notes, Series A and Series B and USD Senior Notes, Series A and Series B, as of June 27, 2020 and December 28, 2019 were as follows:

	June 27, 2020				December 28, 2019
(in thousands)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Euro Senior Notes, Series A due 2023	$	131,378	$	128,003	$	129,808	$	131,710
Euro Senior Notes, Series B due 2028	106,675		104,332		105,400		110,336
USD Senior Notes, Series A due 2022	25,000		25,150		25,000		25,054
USD Senior Notes, Series B due 2027	100,000		103,482		100,000		102,548
USD Senior Notes, Series A due 2025	50,000		51,355		50,000		50,775
USD Senior Notes, Series B due 2030	125,000		128,954		125,000		127,701

The Company recognized impairment charges of $1.9 million for the land and building and $0.3 million for a certain patent as a result of the Company’s announcement to consolidate a manufacturing facility within the Industrial segment during the first quarter of 2020. See Note 6, Restructuring, Impairment and Other Charges, for further discussion. The fair value of the land and building was valued using a real estate appraisal and classified as a Level 3 input under the fair value hierarchy.

The fair value as of the measurement date, net book value as of June 27, 2020 and related the goodwill impairment charge for assets measured at fair value on nonrecurring basis subsequent to initial recognition during three months ended June 27, 2020 were as follows:

	Three Months Ended June 27, 2020				June 27, 2020
(in thousands)	Impairment Charge		Estimated Fair Value Measurement (Level 3)		Carrying Value
Goodwill	$	33,841	$	8,953	$	9,142

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Benefit Plans

6 Months Ended

Jun. 27, 2020

Retirement Benefits [Abstract]

Benefit Plans

Benefit Plans

The Company has company-sponsored defined benefit pension plans covering employees in the U.K., Germany, the Philippines, China, Japan, Mexico, Italy and France. The amount of the retirement benefits provided under the plans is based on years of service and final average pay.

The Company recognizes interest cost, expected return on plan assets, and amortization of prior service, net within Other expense (income), net in the Condensed Consolidated Statements of Net (Loss) Income. The components of net periodic benefit cost for the three and six months ended June 27, 2020 and June 29, 2019 were as follows: 

	For the Three Months Ended				For the Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Components of net periodic benefit cost:
Service cost	$	592	$	514	$	1,210	$	1,014
Interest cost	486		813		1,144		1,597
Expected return on plan assets	(402)		(821)		(1,129)		(1,611)
Amortization of prior service and net actuarial loss	264		62		409		124
Net periodic benefit cost	$	940	$	568	$	1,634	$	1,124

The Company expects to make approximately $2.3 million of cash contributions to its pension plans in 2020.

The Company also sponsors certain post-employment plans in foreign countries and other statutory benefit plans. The Company recorded $0.5 million and $0.2 million expense for the three months ended June 27, 2020 and June 29, 2019, respectively, and $1.0 million and $0.4 million expense for the six months ended June 27, 2020 and June 29, 2019, respectively, in Cost of Sales and Other expense (income), net within the Condensed Consolidated Statements of Net (Loss) Income. For three and six months ended June 27, 2020, the pre-tax amounts recognized in other comprehensive (loss) income as components of net periodic benefit costs for these plans were $0.2 million and $0.4 million.

On April 7, 2020, the Company entered into a definitive agreement to purchase a group annuity contract, under which an insurance company will be required to pay and administer pension payments to certain of the Company’s U.K. pension plan participants, or their designated beneficiaries, who have been receiving pension payments. The purchase of this group annuity contract will reduce the Company’s outstanding pension benefit obligation by approximately $36 million, representing approximately 30% of the total obligations of the Company’s qualified pension plans, and will be funded with pension plan assets and additional cash on hand. In connection with this transaction, the Company will record a one-time non-cash settlement charge in the second half of 2021 currently estimated between $18 million and $22 million, reflecting the accelerated recognition of unamortized actuarial losses in the plan. The actual settlement charge could differ from this estimate due to final data and plan wind-up expenses. Due to the signing of the group annuity contract being a significant change in the U.K. pension plan, the liabilities of the plan were remeasured as of April 6, 2020 resulting in an increase of $13.4 million (£10.9 million) to both the net pension liability and unamortized actuarial loss within other comprehensive (loss) income during the second quarter. Additionally, the Company made a cash contribution of $10.4 million (£8.4 million) under this agreement during the second quarter.

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Other Comprehensive (Loss) Income

6 Months Ended

Jun. 27, 2020

Equity [Abstract]

Other Comprehensive Income (Loss)

Other Comprehensive (Loss) Income

Changes in other comprehensive (loss) income by component were as follows:

(in thousands)	Three Months Ended June 27, 2020						Three Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(13,098)	$	(2,259)	$	(10,839)	$	201	$	40	$	161
Foreign currency translation adjustments	8,422		—		8,422		(5,892)		—		(5,892)
Total change in other comprehensive income (loss)	$	(4,676)	$	(2,259)	$	(2,417)	$	(5,691)	$	40	$	(5,731)

Due to the signing of the group annuity contract being a significant change in the U.K. pension plan, the liabilities of the plan were remeasured as of April 6, 2020 resulting in an increase of $13.4 million to unamortized actuarial loss within other comprehensive (loss) income. See Note 9, Benefits Plans for further discussion.

(in thousands)	Six Months Ended June 27, 2020						Six Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(12,543)	$	(2,265)	$	(10,278)	$	123	$	11	$	112
Foreign currency translation adjustments	(7,118)		—		(7,118)		2,230		—		2,230
Total change in other comprehensive income (loss)	$	(19,661)	$	(2,265)	$	(17,396)	$	2,353	$	11	$	2,342

The following tables set forth the changes in accumulated other comprehensive (loss) income by component for the six months ended June 27, 2020 and June 29, 2019:

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 28, 2019	$	(18,046)	$	(88,777)	$	(106,823)
Activity in the period	(10,278)		(7,118)		(17,396)
Balance at June 27, 2020	$	(28,324)	$	(95,895)	$	(124,219)

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 29, 2018	$	(9,959)	$	(87,965)	$	(97,924)
Activity in the period	112		2,230		2,342
Balance at June 29, 2019	$	(9,847)	$	(85,735)	$	(95,582)

Amounts reclassified from accumulated other comprehensive (loss) income to earnings for the three and six months ended June 27, 2020 and June 29, 2019 were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Pension and Postemployment plans:
Amortization of prior service and net actuarial loss	$	429	$	62	$	774	$	124

The Company recognizes the amortization of prior service costs in Other (expense) income, net within the Condensed Consolidated Statements of Net (Loss) Income.

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Income Taxes	6 Months Ended
	Jun. 27, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate for the three and six months ended June 27, 2020 was 15.1% and 37.2% respectively, compared to the effective tax rate for the three and six months ended June 29, 2019 of 18.2% and 19.2%.

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Earnings Per Share

6 Months Ended

Jun. 27, 2020

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share: 

	Three Months Ended				Six Months Ended
(in thousands, except per share amounts)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Numerator:
Net (loss) income as reported	$	(8,991)	$	43,792	$	15,653	$	80,781
Denominator:
Weighted average shares outstanding
Basic	24,312		24,740		24,353		24,729
Effect of dilutive securities	—		243		167		269
Diluted	24,312		24,983		24,520		24,998
(Loss) Earnings Per Share:
Basic (loss) earnings per share	$	(0.37)	$	1.77	$	0.64	$	3.27
Diluted (loss) earnings per share	$	(0.37)	$	1.75	$	0.64	$	3.23

Potential shares of common stock relating to stock options excluded from the earnings per share calculation because their effect would be anti-dilutive were 328,624 and 167,599 for the three months ended June 27, 2020 and June 29, 2019, respectively, and 212,290 and 121,326 for the six months ended June 27, 2020 and June 29, 2019, respectively.

Share Repurchase Program

The Company’s Board of Directors authorized the repurchase of up to 1,000,000 shares of the Company’s common stock under a program for the period May 1, 2018 to April 30, 2019 ("2018 program"). On April 26, 2019, the Company's Board of Directors authorized to a program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2019 to April 30, 2020 ("2019 program") to replace its previous expired 2018 program. On April 23, 2020, the Company's Board of Directors authorized a new program to repurchase up to 1,000,000 shares of the Company's common stock for the period May 1, 2020 to April 30, 2021 (the "2020 program") to replace its previous expired 2019 program. The Company has suspended share repurchases for the near-term due to the uncertainty of the impact and duration of COVID-19 and to focus on other capital allocation priorities.

The Company did not repurchase any shares of its common stock for the three months ended June 27, 2020. During the three months ended June 29, 2019, the Company repurchased 188,214 shares of its common stock totaling $32.0 million. For the six months ended June 27, 2020 and June 29, 2019, the Company repurchased 175,110 and 268,130 shares of its common stock totaling $22.9 million and $45.5 million, respectively.

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Related Party Transactions

6 Months Ended

Jun. 27, 2020

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

As a result of the Company’s acquisition of IXYS, the Company has equity ownership in various investments that are accounted for under the equity method. The following is a description of the investments and related party transactions.

Powersem GmbH: The Company owns 45% of the outstanding equity of Powersem GmbH (“Powersem”), a module manufacturer based in Germany.

EB-Tech Co., Ltd.: The Company owns approximately 19% of the outstanding equity of EB Tech Co., Ltd. (“EB Tech”), a company with expertise in radiation technology based in South Korea.

Automated Technology (Phil), Inc.: The Company owns approximately 24% of the outstanding common shares of Automated Technology (Phil), Inc. (“ATEC”), a supplier located in the Philippines that provides assembly and test services. One member of the Company's Board of Directors serves on the Board of Directors of ATEC.

	For the Three Months Ended June 27, 2020						For the Three Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.3	$	—	$	—	$	0.1	$	—	$	—
Purchase material/service from related party	0.8		—		1.6		0.9		0.1		2.3
	For the Six Months Ended June 27, 2020						For the Six Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.7	$	—	$	—	$	0.2	$	—	$	—
Purchase material/service from related party	1.0		—		3.4		1.7		0.2		3.8
	June 27, 2020						December 28, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Accounts Receivable balance	$	0.1	$	—	$	—	$	—	$	—	$	—
Accounts Payable balance	0.2		—		0.1		0.2		—		0.1

Additionally, the Company has certain cost method investments in VTOOL Ltd. and Securepush Ltd. with a total book value of $0.4 million as of June 27, 2020 and one member of the Company’s Board of Directors is currently an investor and a director of VTOOL Ltd. and Securepush Ltd.

On April 26, 2019, the Company sold its subsidiary Microwave Technology, LLC. (“MWT”) resulting in a loss on disposal of $2.6 million reflected in Other income (expense), net in the Condensed Consolidated Statements of Net (Loss) Income. The

operations of MWT were included in the Electronics segment. One member of the Company’s Board of Directors is an owner of a company that purchased MWT.

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Segment Information

6 Months Ended

Jun. 27, 2020

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company and its subsidiaries design, manufacture and sell components and modules for circuit protection, power control and sensing throughout the world. The Company reports its operations by the following segments: Electronics, Automotive, and Industrial. An operating segment is defined as a component of an enterprise that engages in business activities from which it may earn revenues and incur expenses, and about which separate financial information is regularly evaluated by the Chief Operating Decision Maker (“CODM”) in deciding how to allocate resources. The CODM is the Company’s President and Chief Executive Officer (“CEO”). The CODM allocates resources to and assesses the performance of each operating segment using information about its revenue and operating income (loss) before interest and taxes, but does not evaluate the operating segments using discrete balance sheet information.

Sales, marketing, and research and development expenses are charged directly into each operating segment. Purchasing, logistics, customer service, finance, information technology, and human resources are shared functions that are allocated back to the three operating segments. The Company does not report inter-segment revenue because the operating segments do not record it. Certain expenses, determined by the CODM to be strategic in nature and not directly related to segments' current results, are not allocated but identified as “Other”. Additionally, the Company does not allocate interest and other income, interest expense, or taxes to operating segments. These costs are not allocated to the segments, as management excludes such costs when assessing the performance of the segments. Although the CODM uses operating income (loss) to evaluate the segments, operating costs included in one segment may benefit other segments. Except as discussed above, the accounting policies for segment reporting are the same as for the Company as a whole.

•Electronics Segment: Consists of one of the broadest product offerings in the industry, including fuses and fuse accessories, positive temperature coefficient (“PTC”) resettable fuses, polymer electrostatic discharge (“ESD”) suppressors, varistors, reed switch based magnetic sensing, gas discharge tubes; semiconductor products such as discrete transient voltage suppressor (“TVS”) diodes, TVS diode arrays, protection and switching thyristors, metal-oxide-semiconductor field effect transistors (“MOSFETs”) and silicon carbide diodes; and insulated gate bipolar transistors (“IGBT”) technologies. The segment covers a broad range of end markets, including industrial and automotive electronics, electric vehicle and related infrastructure, data and telecommunications, medical devices, alternative energy, consumer electronics and white goods.

•Automotive Segment: Consists of a wide range of circuit protection, power control and sensing technologies for global original equipment manufacturers (“OEMs”), Tier-I suppliers and parts distributors in passenger car, heavy duty truck, off-road vehicles, material handling, agricultural, construction and other commercial vehicle end markets. Passenger car fuse products include fuses and fuse accessories for internal combustion engine vehicles and hybrid and electric vehicles including blade fuses, battery cable protectors, resettable fuses, high-current fuses, and high-voltage fuses. Commercial vehicle products include fuses, switches, relays, and power distribution modules for the commercial vehicle industry. Automotive sensor products include a wide range of automotive and commercial vehicle products designed to monitor the passenger compartment occupants, safety and environment as well as the vehicle’s powertrain.

•Industrial Segment: Consists of power fuses, protection relays and controls and other circuit protection products for use in various industrial applications such as oil, gas, mining, alternative energy, electric vehicle infrastructure, non-residential construction, HVAC systems, elevators and other industrial equipment.

Segment information is summarized as follows: 

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
Electronics	$	223,271	$	259,553	$	437,460	$	524,947
Automotive	61,999		108,650		166,769		222,133
Industrial	22,067		29,676		49,204		56,299
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379
Depreciation and amortization
Electronics	$	15,617	$	14,729	$	31,148	30,071
Automotive	7,071		6,904		14,258		13,781
Industrial	1,046		1,056		2,130		2,116
Total depreciation and amortization	$	23,734	$	22,689	$	47,536	$	45,968
Operating (loss) income
Electronics	$	32,651	$	43,630	$	64,923	$	92,666
Automotive	(8,857)		10,349		5,259		23,550
Industrial	(23)		5,831		3,511		9,336
Other(a)	(35,721)		(7,176)		(40,893)		(12,245)
Total operating (loss) income	(11,950)		52,634		32,800		113,307
Interest expense	5,855		5,589		11,273		11,275
Foreign exchange (gain) loss	(6,010)		(3,575)		(3,426)		668
Other (income) expense, net	(1,210)		(2,947)		39		1,358
(Loss) income before income taxes	$	(10,585)	$	53,567	$	24,914	$	100,006

(a) Included in “Other” Operating (loss) income for the 2020 second quarter is $0.1 million ($1.3 million year-to-date) of acquisition-related and integration charges related to the IXYS acquisition and other contemplated acquisitions. In addition, there was $35.6 million ($39.6 million year-to-date) of restructuring, impairment and other charges, primarily related to the goodwill impairment charge of $33.8 million recorded in the second quarter associated with the automotive sensors reporting unit within the Automotive segment, $1.8 million ($3.5 million year-to-date) of employee termination costs, and other restructuring charges and impairment charges of $2.2 million recorded in the first quarter associated with the announced consolidation of a manufacturing facility within the Industrial segment. See Note 4, Goodwill and Other Intangible Assets and Note 6, Restructuring, Impairment and Other Charges, for further discussion.

Included in "Other" Operating income (loss) for the second quarter of 2019 is $1.5 million ($3.8 million year-to-date) of acquisition integration charges primarily related to the IXYS acquisition. In addition, there were $5.7 million ($8.4 million year-to-date) of restructuring charges primarily related to employee termination costs.

The Company’s net sales by country were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
United States	$	76,870	$	115,991	$	179,780	$	235,519
China	102,026		107,728		188,041		214,593
Other countries(a)	128,441		174,160		285,612		353,267
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379

 The Company’s long-lived assets by country were as follows:

(in thousands)	June 27, 2020		December 28, 2019
Long-lived assets
United States	$	54,082	$	58,081
China	82,224		88,306
Mexico	67,967		73,096
Germany	36,721		36,025
Philippines	58,272		51,738
Other countries(a)	35,411		37,371
Total long-lived assets	$	334,677	$	344,617

The Company’s additions to long-lived assets by country were as follows:

	Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019
Additions to long-lived assets
United States	$	2,026	$	3,454
China	4,516		4,958
Mexico	4,260		8,727
Germany	2,509		3,712
Philippines	9,039		6,629
Other countries(a)	687		2,378
Total additions to long-lived assets	$	23,037	$	29,858

(a)Each country included in other countries is less than 10% of net sales.

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Summary of Significant Accounting Policies and Other Information (Policies)

6 Months Ended

Jun. 27, 2020

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation 

The Company’s accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”) for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, certain information and disclosures normally included in the consolidated balance sheets, statements of net (loss) income and comprehensive (loss) income, statements of cash flows, and statement of stockholders' equity prepared in conformity with U.S. GAAP have been condensed or omitted as permitted by such rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. They have been prepared in accordance with accounting policies described in the Company’s Annual Report on Form 10-K for the fiscal year ended December 28, 2019 which should be read in conjunction with the disclosures therein. In the opinion of management, all adjustments considered necessary for a fair presentation have been included and are of a normal, recurring nature. Operating results for interim periods are not necessarily indicative of annual operating results.

Revenue Recognition

Revenue Recognition

Revenue Disaggregation

The following tables disaggregate the Company’s revenue by primary business units for the three and six months ended June 27, 2020 and June 29, 2019:

	Three Months Ended June 27, 2020								Six Months Ended June 27, 2020
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	92,846	$	—	$	—	$	92,846	$	177,444	$	—	$	—	$	177,444
Electronics – Semiconductor	130,425		—		—		130,425		260,016		—		—		260,016
Passenger Car Products	—		30,309		—		30,309		—		82,954		—		82,954
Automotive Sensors	—		13,899		—		13,899		—		38,073		—		38,073
Commercial Vehicle Products	—		17,791		—		17,791		—		45,742		—		45,742
Industrial Products	—		—		22,067		22,067		—		—		49,204		49,204
Total	$	223,271	$	61,999	$	22,067	$	307,337	$	437,460	$	166,769	$	49,204	$	653,433

	Three Months Ended June 29, 2019								Six Months Ended June 29, 2019
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	108,481	$	—	$	—	$	108,481	$	216,858	$	—	$	—	$	216,858
Electronics – Semiconductor	151,072		—		—		151,072		308,089		—		—		308,089
Passenger Car Products	—		53,916		—		53,916		—		110,459		—		110,459
Automotive Sensors	—		24,682		—		24,682		—		50,739		—		50,739
Commercial Vehicle Products	—		30,052		—		30,052		—		60,935		—		60,935
Industrial Products	—		—		29,676		29,676		—		—		56,299		56,299
Total	$	259,553	$	108,650	$	29,676	$	397,879	$	524,947	$	222,133	$	56,299	$	803,379

See Note 14, Segment Information for net sales by segment and countries.

Revenue Recognition

The Company recognizes revenue on product sales in the period in which the Company satisfies its performance obligation and control of the product is transferred to the customer. The Company’s sales arrangements with customers are predominately short term in nature and generally provide for transfer of control at the time of shipment as this is the point at which title and risk of loss of the product transfers to the customer. At the end of each period, for those shipments where title to the products and the risk of loss and rewards of ownership do not transfer until the product has been received by the customer, the Company adjusts revenues and cost of sales for the delay between the time that the products are shipped and when they are received by the customer. The amount of revenue recorded reflects the consideration to which the Company expects to be entitled in exchange for goods and may include adjustments for customer allowance, rebates and price adjustments. The Company’s distribution channels are primarily through direct sales and independent third-party distributors.

The Company elected the practical expedient under Accounting Standards Codification ("ASC") 340-40-25-4 to expense commissions when incurred as the amortization period of the commission asset the Company would have otherwise recognized is less than one year.

Revenue and Billing

The Company generally accepts orders from customers through receipt of purchase orders or electronic data interchange based on written sales agreements and purchasing contracts. Contract pricing and selling agreement terms are based on market factors, costs, and competition. Pricing is often negotiated as an adjustment (premium or discount) from the Company’s published price lists. The customer is invoiced when the Company’s products are shipped to them in accordance with the terms of the sales agreement. As the Company’s standard payment terms are less than one year, the Company elected the practical expedient under ASC 606-10-32-18 to not assess whether a contract has a significant financing component. The Company also elected the practical expedient provided in ASC 606-10-25-18B to treat all product shipping and handling activities as fulfillment activities, and therefore recognize the gross revenue associated with the contract, inclusive of any shipping and handling revenue.

Ship and Debit Program

Some of the terms of the Company’s sales agreements and normal business conditions provide customers (distributors) the ability to receive price adjustments on products previously shipped and invoiced. This practice is common in the industry and is referred to as a “ship and debit” program. This program allows the distributor to debit the Company for the difference between the distributors’ contracted price and a lower price for specific transactions. Under certain circumstances (usually in a competitive situation or large volume opportunity), a distributor will request authorization for pricing allowances to reduce its price. When the Company approves such a reduction, the distributor is authorized to “debit” its account for the difference between the contracted price and the lower approved price. The Company establishes reserves for this program based on historic activity, electronic distributor inventory levels and actual authorizations for the debit and recognizes these debits as a reduction of revenue.

Return to Stock 

The Company has a return to stock policy whereby certain customers, with prior authorization from Littelfuse management, can return previously purchased goods for full or partial credit. The Company establishes an estimated allowance for these returns based on historic activity. Sales revenue and cost of sales are reduced to anticipate estimated returns.

Volume Rebates

The Company offers volume based sales incentives to certain customers to encourage greater product sales. If customers achieve their specific quarterly or annual sales targets, they are entitled to rebates. The Company estimates the projected amount of rebates that will be achieved by the customer and recognizes this estimated cost as a reduction to revenue as products are sold.

Recently Adopted Accounting Standards

Recently Adopted Accounting Standards

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments." The standard modifies the measurement approach for credit losses on financial instruments, including trade receivables, from an incurred loss method to a current expected credit loss method ("CECL"). The standard requires the measurement of expected credit losses to be based on relevant information, including historical experiences, current conditions and a forecast that is supportable. The Company adopted the new standard on December 29, 2019. The adoption of the standard did not have a material effect on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-13 "Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirement for Fair Value Measurement." ASU 2018-13 modifies the disclosure requirements in Topic 820: "Fair Value Measurement," based on the FASB Concepts Statement, "Conceptual Framework for Financial Reporting - Chapter 8: Notes to Financial Statements," including consideration of costs and benefits. The new standard removes certain disclosures, modifies other disclosures and adds additional disclosures related to fair value measurement. The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018- 13 did not have a material impact on our Condensed Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-15, "Intangibles - Goodwill and Other - Internal-Use Software (Subtopic: 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)." ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The Company adopted the new standard on December 29, 2019. The adoption of ASU 2018-15 did not have a material impact on our Condensed Consolidated Financial Statements.

In March 2020, the FASB issued ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” This ASU provides optional expedient and exceptions for applying generally accepted accounting principles to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The objective of this is to provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting due to the cessation of the London Interbank Offered Rate (LIBOR). The amendments in this update are effective for all entities as of March 12, 2020 through December 31, 2022. The Company does not expect a material effect from the adoption of this guidance on its Condensed Consolidated Financial Statements.

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Summary of Significant Accounting Policies and Other Information (Tables)

6 Months Ended

Jun. 27, 2020

Accounting Policies [Abstract]

Schedule of revenue disaggregation

The following tables disaggregate the Company’s revenue by primary business units for the three and six months ended June 27, 2020 and June 29, 2019:

	Three Months Ended June 27, 2020								Six Months Ended June 27, 2020
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	92,846	$	—	$	—	$	92,846	$	177,444	$	—	$	—	$	177,444
Electronics – Semiconductor	130,425		—		—		130,425		260,016		—		—		260,016
Passenger Car Products	—		30,309		—		30,309		—		82,954		—		82,954
Automotive Sensors	—		13,899		—		13,899		—		38,073		—		38,073
Commercial Vehicle Products	—		17,791		—		17,791		—		45,742		—		45,742
Industrial Products	—		—		22,067		22,067		—		—		49,204		49,204
Total	$	223,271	$	61,999	$	22,067	$	307,337	$	437,460	$	166,769	$	49,204	$	653,433

	Three Months Ended June 29, 2019								Six Months Ended June 29, 2019
(in thousands)	Electronics Segment		Automotive Segment		Industrial Segment		Total		Electronics Segment		Automotive Segment		Industrial Segment		Total
Electronics – Passive Products and Sensors	$	108,481	$	—	$	—	$	108,481	$	216,858	$	—	$	—	$	216,858
Electronics – Semiconductor	151,072		—		—		151,072		308,089		—		—		308,089
Passenger Car Products	—		53,916		—		53,916		—		110,459		—		110,459
Automotive Sensors	—		24,682		—		24,682		—		50,739		—		50,739
Commercial Vehicle Products	—		30,052		—		30,052		—		60,935		—		60,935
Industrial Products	—		—		29,676		29,676		—		—		56,299		56,299
Total	$	259,553	$	108,650	$	29,676	$	397,879	$	524,947	$	222,133	$	56,299	$	803,379

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Inventories (Tables)

6 Months Ended

Jun. 27, 2020

Inventory Disclosure [Abstract]

Schedule of inventory

The components of inventories at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Raw materials	$	82,133	$	76,732
Work in process	92,681		84,561
Finished goods	106,904		110,388
Inventory Reserves	(33,698)		(34,174)
Total	$	248,020	$	237,507

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Property, Plant, and Equipment (Tables)

6 Months Ended

Jun. 27, 2020

Property, Plant and Equipment [Abstract]

Schedule of components of net property, plant, and equipment

The components of net property, plant, and equipment at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Land	$	23,095	$	24,758
Building	118,409		108,501
Equipment	635,661		631,273
Accumulated depreciation and amortization	(442,488)		(419,915)
Total	$	334,677	$	344,617

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The amounts for goodwill and changes in the carrying value by segment for the six months ended June 27, 2020 are as follows:

(in thousands)	Electronics		Automotive		Industrial		Total
As of December 28, 2019	$	650,796	$	131,321	$	38,472	$	820,589
Impairments	—		(33,841)		—		(33,841)
Currency translation	860		128		(135)		853
As of June 27, 2020	$	651,656	$	97,608	$	38,337	$	787,601

Schedule of finite-lived intangible assets

The components of other intangible assets as of June 27, 2020 and December 28, 2019 are as follows:

	As of June 27, 2020
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,584	$	1,800	$	7,784
Patents, licenses and software	131,055		$	83,989	$	47,066
Distribution network	43,272		37,302		5,970
Customer relationships, trademarks, and tradenames	360,769		119,928		240,841
Total	$	544,680	$	243,019	$	301,661

	As of December 28, 2019
(in thousands)	Gross Carrying Value		Accumulated Amortization		Net Book Value
Land use rights	$	9,649	$	1,730	$	7,919
Patents, licenses and software	131,164		78,828		52,336
Distribution network	43,239		36,163		7,076
Customer relationships, trademarks, and tradenames	360,534		106,618		253,916
Total	$	544,586	$	223,339	$	321,247

Schedule of finite-lived intangible assets, future amortization expense

Estimated annual amortization expense related to intangible assets with definite lives as of June 27, 2020 is as follows:

(in thousands)	Amount
2020	$	39,200
2021	37,811
2022	36,846
2023	32,135
2024	29,356
2025 and thereafter	145,511
Total	$	320,859

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Accrued Liabilities (Tables)

6 Months Ended

Jun. 27, 2020

Payables and Accruals [Abstract]

Schedule of components of accrued liabilities

The components of accrued liabilities as of June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Employee-related liabilities	$	40,785	$	40,774
Operating lease liability	6,846		7,259
Interest	4,781		5,058
Professional services	3,130		3,986
Restructuring liability	4,463		2,679
Other non-income taxes	2,075		1,940
Other	23,276		22,424
Total	$	85,356	$	84,120

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Restructuring, Impairment and Other Charges (Tables)

6 Months Ended

Jun. 27, 2020

Restructuring and Related Activities [Abstract]

Schedule of restructuring, impairment and other charges

The Company recorded restructuring, impairment and other charges for the three and six months ended June 27, 2020 and June 29, 2019 as follows:

	Three months ended June 27, 2020								Six months ended June 27, 2020
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	856	$	209	$	750	$	1,815	$	1,737	$	608	$	1,071	$	3,416
Other restructuring charges	(1)		(12)		22		9		—		108		25		133
Total restructuring charges	855		197		772		1,824		1,737		716		1,096		3,549
Impairment	—		33,841		—		33,841		—		33,841		2,237		36,078
Total	$	855	$	34,038	$	772	$	35,665	$	1,737	$	34,557	$	3,333	$	39,627

	Three months ended June 29, 2019								Six months ended June 29, 2019
(in thousands)	Electronics		Automotive		Industrial		Total		Electronics		Automotive		Industrial		Total
Employee terminations	$	1,698	$	3,241	$	674	$	5,613	$	3,498	$	3,846	$	721	$	8,065
Other restructuring charges	—		70		—		70		13		90		250		353
Total restructuring charges	1,698		3,311		674		5,683		3,511		3,936		971		8,418
Impairment	—		—		—		—		—		—		—		—
Total	$	1,698	$	3,311	$	674	$	5,683	$	3,511	$	3,936	$	971	$	8,418

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Debt (Tables)

6 Months Ended

Jun. 27, 2020

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

The carrying amounts of debt at June 27, 2020 and December 28, 2019 are as follows:

(in thousands)	June 27, 2020		December 28, 2019
Revolving Credit Facility	$	240,000	$	—
Term Loan	—		145,000
Euro Senior Notes, Series A due 2023	131,378		129,808
Euro Senior Notes, Series B due 2028	106,675		105,400
U.S. Senior Notes, Series A due 2022	25,000		25,000
U.S. Senior Notes, Series B due 2027	100,000		100,000
U.S. Senior Notes, Series A due 2025	50,000		50,000
U.S. Senior Notes, Series B due 2030	125,000		125,000
Other	2,619		2,619
Unamortized debt issuance costs	(4,467)		(3,669)
Total debt	776,205		679,158
Less: Current maturities	—		(10,000)
Total long-term debt	$	776,205	$	669,158

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Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 27, 2020

Fair Value Disclosures [Abstract]

Schedule of fair value, assets measured on recurring basis

The following table presents assets measured at fair value by classification within the fair value hierarchy as of June 27, 2020:

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	148,409	$	—	$	—	$	148,409
Investments in equity securities	12,899		—		—		12,899
Mutual funds	10,650		—		—		10,650

The following table presents assets measured at fair value by classification within the fair value hierarchy as of December 28, 2019: 

	Fair Value Measurements Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents	$	118,999	$	—	$	—	$	118,999
Investments in equity securities	12,969		—		—		12,969
Mutual funds	10,464		—		—		10,464

Schedule of fair value, by balance sheet grouping

The carrying value and estimated fair values of the Company’s Euro Senior Notes, Series A and Series B and USD Senior Notes, Series A and Series B, as of June 27, 2020 and December 28, 2019 were as follows:

	June 27, 2020				December 28, 2019
(in thousands)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Euro Senior Notes, Series A due 2023	$	131,378	$	128,003	$	129,808	$	131,710
Euro Senior Notes, Series B due 2028	106,675		104,332		105,400		110,336
USD Senior Notes, Series A due 2022	25,000		25,150		25,000		25,054
USD Senior Notes, Series B due 2027	100,000		103,482		100,000		102,548
USD Senior Notes, Series A due 2025	50,000		51,355		50,000		50,775
USD Senior Notes, Series B due 2030	125,000		128,954		125,000		127,701

Details of impairment of long-lived assets held and used by asset

The fair value as of the measurement date, net book value as of June 27, 2020 and related the goodwill impairment charge for assets measured at fair value on nonrecurring basis subsequent to initial recognition during three months ended June 27, 2020 were as follows:

	Three Months Ended June 27, 2020				June 27, 2020
(in thousands)	Impairment Charge		Estimated Fair Value Measurement (Level 3)		Carrying Value
Goodwill	$	33,841	$	8,953	$	9,142

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Benefit Plans (Tables)

6 Months Ended

Jun. 27, 2020

Retirement Benefits [Abstract]

Schedule of net benefit costs

The components of net periodic benefit cost for the three and six months ended June 27, 2020 and June 29, 2019 were as follows: 

	For the Three Months Ended				For the Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Components of net periodic benefit cost:
Service cost	$	592	$	514	$	1,210	$	1,014
Interest cost	486		813		1,144		1,597
Expected return on plan assets	(402)		(821)		(1,129)		(1,611)
Amortization of prior service and net actuarial loss	264		62		409		124
Net periodic benefit cost	$	940	$	568	$	1,634	$	1,124

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Other Comprehensive (Loss) Income (Tables)

6 Months Ended

Jun. 27, 2020

Equity [Abstract]

Schedule of components of comprehensive income (loss)

Changes in other comprehensive (loss) income by component were as follows:

(in thousands)	Three Months Ended June 27, 2020						Three Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(13,098)	$	(2,259)	$	(10,839)	$	201	$	40	$	161
Foreign currency translation adjustments	8,422		—		8,422		(5,892)		—		(5,892)
Total change in other comprehensive income (loss)	$	(4,676)	$	(2,259)	$	(2,417)	$	(5,691)	$	40	$	(5,731)

Due to the signing of the group annuity contract being a significant change in the U.K. pension plan, the liabilities of the plan were remeasured as of April 6, 2020 resulting in an increase of $13.4 million to unamortized actuarial loss within other comprehensive (loss) income. See Note 9, Benefits Plans for further discussion.

(in thousands)	Six Months Ended June 27, 2020						Six Months Ended June 29, 2019
	Pre-tax		Tax		Net of Tax		Pre-tax		Tax		Net of Tax
Defined benefit pension plan adjustments	$	(12,543)	$	(2,265)	$	(10,278)	$	123	$	11	$	112
Foreign currency translation adjustments	(7,118)		—		(7,118)		2,230		—		2,230
Total change in other comprehensive income (loss)	$	(19,661)	$	(2,265)	$	(17,396)	$	2,353	$	11	$	2,342

Schedule of accumulated other comprehensive income (loss)

The following tables set forth the changes in accumulated other comprehensive (loss) income by component for the six months ended June 27, 2020 and June 29, 2019:

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 28, 2019	$	(18,046)	$	(88,777)	$	(106,823)
Activity in the period	(10,278)		(7,118)		(17,396)
Balance at June 27, 2020	$	(28,324)	$	(95,895)	$	(124,219)

(in thousands)	Pension and postretirement liability and reclassification adjustments		Foreign currency translation adjustment		Accumulated other comprehensive (loss) income
Balance at December 29, 2018	$	(9,959)	$	(87,965)	$	(97,924)
Activity in the period	112		2,230		2,342
Balance at June 29, 2019	$	(9,847)	$	(85,735)	$	(95,582)

Summary of reclassification out of accumulated other comprehensive income

Amounts reclassified from accumulated other comprehensive (loss) income to earnings for the three and six months ended June 27, 2020 and June 29, 2019 were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Pension and Postemployment plans:
Amortization of prior service and net actuarial loss	$	429	$	62	$	774	$	124

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Earnings Per Share (Tables)

6 Months Ended

Jun. 27, 2020

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The following table sets forth the computation of basic and diluted earnings per share: 

	Three Months Ended				Six Months Ended
(in thousands, except per share amounts)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Numerator:
Net (loss) income as reported	$	(8,991)	$	43,792	$	15,653	$	80,781
Denominator:
Weighted average shares outstanding
Basic	24,312		24,740		24,353		24,729
Effect of dilutive securities	—		243		167		269
Diluted	24,312		24,983		24,520		24,998
(Loss) Earnings Per Share:
Basic (loss) earnings per share	$	(0.37)	$	1.77	$	0.64	$	3.27
Diluted (loss) earnings per share	$	(0.37)	$	1.75	$	0.64	$	3.23

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Related Party Transactions (Tables)

6 Months Ended

Jun. 27, 2020

Related Party Transactions [Abstract]

Schedule of related party transactions

	For the Three Months Ended June 27, 2020						For the Three Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.3	$	—	$	—	$	0.1	$	—	$	—
Purchase material/service from related party	0.8		—		1.6		0.9		0.1		2.3
	For the Six Months Ended June 27, 2020						For the Six Months Ended June 29, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.7	$	—	$	—	$	0.2	$	—	$	—
Purchase material/service from related party	1.0		—		3.4		1.7		0.2		3.8
	June 27, 2020						December 28, 2019
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Accounts Receivable balance	$	0.1	$	—	$	—	$	—	$	—	$	—
Accounts Payable balance	0.2		—		0.1		0.2		—		0.1

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Segment Information (Tables)

6 Months Ended

Jun. 27, 2020

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

Segment information is summarized as follows: 

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
Electronics	$	223,271	$	259,553	$	437,460	$	524,947
Automotive	61,999		108,650		166,769		222,133
Industrial	22,067		29,676		49,204		56,299
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379
Depreciation and amortization
Electronics	$	15,617	$	14,729	$	31,148	30,071
Automotive	7,071		6,904		14,258		13,781
Industrial	1,046		1,056		2,130		2,116
Total depreciation and amortization	$	23,734	$	22,689	$	47,536	$	45,968
Operating (loss) income
Electronics	$	32,651	$	43,630	$	64,923	$	92,666
Automotive	(8,857)		10,349		5,259		23,550
Industrial	(23)		5,831		3,511		9,336
Other(a)	(35,721)		(7,176)		(40,893)		(12,245)
Total operating (loss) income	(11,950)		52,634		32,800		113,307
Interest expense	5,855		5,589		11,273		11,275
Foreign exchange (gain) loss	(6,010)		(3,575)		(3,426)		668
Other (income) expense, net	(1,210)		(2,947)		39		1,358
(Loss) income before income taxes	$	(10,585)	$	53,567	$	24,914	$	100,006

(a) Included in “Other” Operating (loss) income for the 2020 second quarter is $0.1 million ($1.3 million year-to-date) of acquisition-related and integration charges related to the IXYS acquisition and other contemplated acquisitions. In addition, there was $35.6 million ($39.6 million year-to-date) of restructuring, impairment and other charges, primarily related to the goodwill impairment charge of $33.8 million recorded in the second quarter associated with the automotive sensors reporting unit within the Automotive segment, $1.8 million ($3.5 million year-to-date) of employee termination costs, and other restructuring charges and impairment charges of $2.2 million recorded in the first quarter associated with the announced consolidation of a manufacturing facility within the Industrial segment. See Note 4, Goodwill and Other Intangible Assets and Note 6, Restructuring, Impairment and Other Charges, for further discussion.

Schedule of disclosure on geographic areas, long-lived assets in individual foreign countries by country

The Company’s net sales by country were as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
Net sales
United States	$	76,870	$	115,991	$	179,780	$	235,519
China	102,026		107,728		188,041		214,593
Other countries(a)	128,441		174,160		285,612		353,267
Total net sales	$	307,337	$	397,879	$	653,433	$	803,379

 The Company’s long-lived assets by country were as follows:

(in thousands)	June 27, 2020		December 28, 2019
Long-lived assets
United States	$	54,082	$	58,081
China	82,224		88,306
Mexico	67,967		73,096
Germany	36,721		36,025
Philippines	58,272		51,738
Other countries(a)	35,411		37,371
Total long-lived assets	$	334,677	$	344,617

The Company’s additions to long-lived assets by country were as follows:

	Six Months Ended
(in thousands)	June 27, 2020		June 29, 2019
Additions to long-lived assets
United States	$	2,026	$	3,454
China	4,516		4,958
Mexico	4,260		8,727
Germany	2,509		3,712
Philippines	9,039		6,629
Other countries(a)	687		2,378
Total additions to long-lived assets	$	23,037	$	29,858

(a)Each country included in other countries is less than 10% of net sales.

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Summary of Significant Accounting Policies and Other Information (Details Textual) customer in Thousands	6 Months Ended
	Jun. 27, 2020 customer
Accounting Policies [Abstract]
Number of customers (over)	100

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Summary of Significant Accounting Policies and Other Information - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Disaggregation of Revenue
Net sales	$ 307,337	$ 397,879	$ 653,433	$ 803,379
Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	92,846	108,481	177,444	216,858
Electronics – Semiconductor
Disaggregation of Revenue
Net sales	130,425	151,072	260,016	308,089
Passenger Car Products
Disaggregation of Revenue
Net sales	30,309	53,916	82,954	110,459
Automotive Sensors
Disaggregation of Revenue
Net sales	13,899	24,682	38,073	50,739
Commercial Vehicle Products
Disaggregation of Revenue
Net sales	17,791	30,052	45,742	60,935
Industrial Products
Disaggregation of Revenue
Net sales	22,067	29,676	49,204	56,299
Electronics Segment
Disaggregation of Revenue
Net sales	223,271	259,553	437,460	524,947
Electronics Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	92,846	108,481	177,444	216,858
Electronics Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	130,425	151,072	260,016	308,089
Electronics Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	0	0	0	0
Electronics Segment | Industrial Products
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment
Disaggregation of Revenue
Net sales	61,999	108,650	166,769	222,133
Automotive Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	0	0	0	0
Automotive Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	30,309	53,916	82,954	110,459
Automotive Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	13,899	24,682	38,073	50,739
Automotive Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	17,791	30,052	45,742	60,935
Automotive Segment | Industrial Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment
Disaggregation of Revenue
Net sales	22,067	29,676	49,204	56,299
Industrial Segment | Electronics – Passive Products and Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Electronics – Semiconductor
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Passenger Car Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Automotive Sensors
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Commercial Vehicle Products
Disaggregation of Revenue
Net sales	0	0	0	0
Industrial Segment | Industrial Products
Disaggregation of Revenue
Net sales	$ 22,067	$ 29,676	$ 49,204	$ 56,299

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Inventories - Components of Inventories (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 82,133	$ 76,732
Work in process	92,681	84,561
Finished goods	106,904	110,388
Inventory Reserves	(33,698)	(34,174)
Total	$ 248,020	$ 237,507

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Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Property, Plant and Equipment
Accumulated depreciation and amortization	$ (442,488)		$ (442,488)		$ (419,915)
Total	334,677		334,677		344,617
Depreciation	13,900	$ 12,600	27,728	$ 25,727
Land
Property, Plant and Equipment
Property, plant, and equipment, gross	23,095		23,095		24,758
Building
Property, Plant and Equipment
Property, plant, and equipment, gross	118,409		118,409		108,501
Equipment
Property, Plant and Equipment
Property, plant, and equipment, gross	$ 635,661		$ 635,661		$ 631,273

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Goodwill and Other Intangible Assets - Amounts for Goodwill and Changes in Carrying Value by Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Goodwill
Balance			$ 820,589
Impairments	$ (33,841)	$ 0	(33,841)	$ 0
Currency translation			853
Balance	787,601		787,601
Electronics
Goodwill
Balance			650,796
Impairments			0
Currency translation			860
Balance	651,656		651,656
Automotive
Goodwill
Balance			131,321
Impairments			(33,841)
Currency translation			128
Balance	97,608		97,608
Industrial
Goodwill
Balance			38,472
Impairments			0
Currency translation			(135)
Balance	$ 38,337		$ 38,337

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Goodwill and Other Intangible Assets - Details of Other Intangible Assets and Related Future Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Finite-Lived Intangible Assets
Gross Carrying Value	$ 544,680	$ 544,586
Accumulated Amortization	243,019	223,339
Net Book Value	301,661	321,247
Land use rights
Finite-Lived Intangible Assets
Gross Carrying Value	9,584	9,649
Accumulated Amortization	1,800	1,730
Net Book Value	7,784	7,919
Patents, licenses and software
Finite-Lived Intangible Assets
Gross Carrying Value	131,055	131,164
Accumulated Amortization	83,989	78,828
Net Book Value	47,066	52,336
Distribution network
Finite-Lived Intangible Assets
Gross Carrying Value	43,272	43,239
Accumulated Amortization	37,302	36,163
Net Book Value	5,970	7,076
Customer relationships, trademarks, and tradenames
Finite-Lived Intangible Assets
Gross Carrying Value	360,769	360,534
Accumulated Amortization	119,928	106,618
Net Book Value	$ 240,841	$ 253,916

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Goodwill and Other Intangible Assets - Estimated Amortization Expense Related to Intangible Assets with Definite Lives (Details) $ in Thousands	Jun. 27, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2020	$ 39,200
2021	37,811
2022	36,846
2023	32,135
2024	29,356
2025 and thereafter	145,511
Total	$ 320,859

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Goodwill [Line Items]
Goodwill impairment charge	$ 33,841	$ 0	$ 33,841	$ 0
Goodwill	787,601		787,601		$ 820,589
Amortization of intangibles	9,827	$ 10,050	19,808	$ 20,241
Impairment of intangibles			300
Automotive Sensors
Goodwill [Line Items]
Goodwill	$ 9,100		$ 9,100

XML

Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Payables and Accruals [Abstract]
Employee-related liabilities	$ 40,785	$ 40,774
Operating lease liability	6,846	7,259
Interest	4,781	5,058
Professional services	3,130	3,986
Restructuring liability	4,463	2,679
Other non-income taxes	2,075	1,940
Other	23,276	22,424
Total	$ 85,356	$ 84,120
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent	us-gaap:AccruedLiabilitiesCurrent

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Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Restructuring Cost and Reserve
Total restructuring charges	$ 1,824		$ 5,683	$ 3,549	$ 8,418
Impairment charges	33,841		0	36,078	0
Restructuring costs	35,665		5,683	39,627	8,418
Restructuring reserves	4,500			4,500		$ 2,700
Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	1,815		5,613	3,416	8,065
Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	9		70	133	353
Electronics
Restructuring Cost and Reserve
Total restructuring charges	855		1,698	1,737	3,511
Impairment charges	0		0	0	0
Restructuring costs	855		1,698	1,737	3,511
Electronics | Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	856		1,698	1,737	3,498
Electronics | Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	(1)		0	0	13
Automotive
Restructuring Cost and Reserve
Total restructuring charges	197		3,311	716	3,936
Impairment charges	33,841		0	33,841	0
Restructuring costs	34,038		3,311	34,557	3,936
Automotive | Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	209		3,241	608	3,846
Automotive | Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	(12)		70	108	90
Industrial
Restructuring Cost and Reserve
Total restructuring charges	772		674	1,096	971
Impairment charges	0		0	2,237	0
Restructuring costs	772		674	3,333	971
Industrial | Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	750		674	1,071	721
Industrial | Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	$ 22		$ 0	$ 25	$ 250
Industrial | Facility Closing
Restructuring Cost and Reserve
Impairment charges		$ 2,200

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Debt - Carrying Amounts of Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Apr. 02, 2020	Dec. 28, 2019
Debt Instrument
Unamortized debt issuance costs	$ (4,467)		$ (3,669)
Total debt	776,205		679,158
Less: Current maturities	0		(10,000)
Total long-term debt	776,205		669,158
Revolving Credit Facility
Debt Instrument
Long-term debt, gross	240,000		0
Term Loan
Debt Instrument
Long-term debt, gross	0	$ 140,000	145,000
Euro Senior Notes, Series A due 2023
Debt Instrument
Long-term debt, gross	131,378		129,808
Euro Senior Notes, Series B due 2028
Debt Instrument
Long-term debt, gross	106,675		105,400
U.S. Senior Notes, Series A due 2022
Debt Instrument
Long-term debt, gross	25,000		25,000
U.S. Senior Notes, Series B due 2027
Debt Instrument
Long-term debt, gross	100,000		100,000
U.S. Senior Notes, Series A due 2025
Debt Instrument
Long-term debt, gross	50,000		50,000
U.S. Senior Notes, Series B due 2030
Debt Instrument
Long-term debt, gross	125,000		125,000
Other
Debt Instrument
Long-term debt, gross	$ 2,619		$ 2,619

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Debt - Narrative (Details)						3 Months Ended		6 Months Ended
	Apr. 03, 2020 USD ($)	Mar. 25, 2020 USD ($)	Jan. 16, 2018 USD ($)	Oct. 13, 2017 USD ($) advance	Mar. 04, 2016 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Apr. 02, 2020 USD ($)	Dec. 28, 2019 USD ($)	Nov. 15, 2017 USD ($) series	Oct. 12, 2017 USD ($)	Feb. 15, 2017 USD ($)	Dec. 08, 2016 USD ($) series	Dec. 08, 2016 EUR (€) series
Debt Instrument
Proceeds of revolving credit facility		$ 100,000,000.0						$ 240,000,000	$ 0
Cash paid during the period for interest						$ 3,400,000	$ 3,500,000	$ 10,799,000	$ 11,478,000
Credit Agreement
Debt Instrument
Debt term (in years)					5 years
Maximum borrowing capacity					$ 700,000,000.0
Additional uncommitted borrowing capacity				$ 300,000,000.0	150,000,000.0
Additional uncommitted borrowing capacity, minimum increments					$ 25,000,000.0
Number of advances | advance				2
Effective interest rate (percent)						1.70%		1.70%
Letter of credit outstanding (less than)						$ 0		$ 0
Credit Agreement | Minimum
Debt Instrument
Commitment fee (percent)					0.125%
Credit Agreement | Maximum
Debt Instrument
Commitment fee (percent)					0.20%
Credit Agreement | LIBOR | Minimum
Debt Instrument
Basis spread on variable rate (percent)					1.25%
Credit Agreement | LIBOR | Maximum
Debt Instrument
Basis spread on variable rate (percent)					2.00%
Credit Agreement | Base Rate | Minimum
Debt Instrument
Basis spread on variable rate (percent)					0.25%
Credit Agreement | Base Rate | Maximum
Debt Instrument
Basis spread on variable rate (percent)					1.00%
Credit Agreement | Revolving Credit Facility
Debt Instrument
Maximum borrowing capacity				$ 700,000,000.0	$ 575,000,000.0								$ 575,000,000.0
Remaining borrowing capacity						148,600,000		148,600,000
Credit Agreement | Term Loan Credit Facility
Debt Instrument
Maximum borrowing capacity, credit facility				200,000,000.0	$ 125,000,000.0
Proceeds from issuance of debt			$ 75,000,000.0	$ 125,000,000.0
Quarterly payments, percentage of loan (percent)				1.25%
Periodic payment				$ 2,500,000
Repayments of debt						2,500,000		5,000,000.0
Revolving Credit Facility
Debt Instrument
Long-term debt, gross						240,000,000		240,000,000			$ 0
Term Loan
Debt Instrument
Elimination of unsecured team loan facility	$ 200,000,000.0
Long-term debt, gross						0		0		$ 140,000,000.0	145,000,000
Euro Senior Notes, Series A and B
Debt Instrument
Face amount of debt | €																€ 212,000,000
Number of series | series												2			2	2
Euro Senior Notes, Series A due 2023
Debt Instrument
Long-term debt, gross						131,378,000		131,378,000			129,808,000
Face amount of debt | €																€ 117,000,000
Stated interest rate (percent)															1.14%	1.14%
Euro Senior Notes, Series B due 2028
Debt Instrument
Long-term debt, gross						106,675,000		106,675,000			105,400,000
Face amount of debt | €																€ 95,000,000
Stated interest rate (percent)															1.83%	1.83%
U.S. Senior Notes, Series A and B
Debt Instrument
Face amount of debt															$ 125,000,000
U.S. Senior Notes, Series A
Debt Instrument
Face amount of debt														$ 25,000,000
Stated interest rate (percent)														3.03%
U.S. Senior Notes, Series B
Debt Instrument
Face amount of debt														$ 100,000,000
Stated interest rate (percent)														3.74%
US Senior Notes A and B Due 2025 and 2030
Debt Instrument
Face amount of debt												$ 175,000,000
U.S. Senior Notes, Series A due 2025
Debt Instrument
Long-term debt, gross						50,000,000		50,000,000			50,000,000
Face amount of debt			$ 50,000,000
Stated interest rate (percent)			3.48%
U.S. Senior Notes, Series B due 2030
Debt Instrument
Long-term debt, gross						$ 125,000,000		$ 125,000,000			$ 125,000,000
Face amount of debt			$ 125,000,000
Stated interest rate (percent)			3.78%

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Fair Value of Assets and Liabilities - Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash Equivalents	$ 148,409	$ 118,999
Investments in equity securities	12,899	12,969
Mutual funds	10,650	10,464
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash Equivalents	148,409	118,999
Investments in equity securities	12,899	12,969
Mutual funds	10,650	10,464
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash Equivalents	0	0
Investments in equity securities	0	0
Mutual funds	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash Equivalents	0	0
Investments in equity securities	0	0
Mutual funds	$ 0	$ 0

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Fair Value of Assets and Liabilities - Carrying Value and Estimated Fair Value of Senior Notes (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Carrying Value | Euro Senior Notes, Series A due 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	$ 131,378	$ 129,808
Carrying Value | Euro Senior Notes, Series B due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	106,675	105,400
Carrying Value | U.S. Senior Notes, Series A due 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	25,000	25,000
Carrying Value | U.S. Senior Notes, Series B due 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	100,000	100,000
Carrying Value | U.S. Senior Notes, Series A due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	50,000	50,000
Carrying Value | U.S. Senior Notes, Series B due 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	125,000	125,000
Estimated Fair Value | Euro Senior Notes, Series A due 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	128,003	131,710
Estimated Fair Value | Euro Senior Notes, Series B due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	104,332	110,336
Estimated Fair Value | U.S. Senior Notes, Series A due 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	25,150	25,054
Estimated Fair Value | U.S. Senior Notes, Series B due 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	103,482	102,548
Estimated Fair Value | U.S. Senior Notes, Series A due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	51,355	50,775
Estimated Fair Value | U.S. Senior Notes, Series B due 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	$ 128,954	$ 127,701

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Fair Value of Assets and Liabilities - Narrative (Details) - USD ($)		3 Months Ended			6 Months Ended
	Mar. 23, 2020	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Impairment charges		$ 33,841,000		$ 0	$ 36,078,000	$ 0
Investments in equity securities		12,899,000			12,899,000		$ 12,969,000
Notional amount of derivatives							16,000,000.0
Gain on derivatives	$ 200,000
Other Expense (Income)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Impairment charges						$ 2,800,000
Investments in equity securities		$ 400,000			$ 400,000		$ 400,000
Patents
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Impairment charges			$ 300,000
Land and Building
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Impairment charges			$ 1,900,000

XML

Fair Value of Assets and Liabilities - Impairment of Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Dec. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Goodwill	$ 787,601	$ 820,589
Fair Value, Nonrecurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Impairment Charge	33,841
Significant Unobservable Inputs (Level 3) | Fair Value, Nonrecurring | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Goodwill	8,953
Significant Unobservable Inputs (Level 3) | Fair Value, Nonrecurring | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Goodwill	$ 9,142

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Benefit Plans - Benefit Plan Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Retirement Benefits [Abstract]
Service cost	$ 592	$ 514	$ 1,210	$ 1,014
Interest cost	486	813	1,144	1,597
Expected return on plan assets	(402)	(821)	(1,129)	(1,611)
Amortization of prior service and net actuarial loss	264	62	409	124
Net periodic benefit cost	$ 940	$ 568	$ 1,634	$ 1,124

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Benefit Plans - Narrative (Details) $ in Thousands, £ in Millions			3 Months Ended			6 Months Ended
	Apr. 06, 2020 USD ($)	Apr. 06, 2020 GBP (£)	Jun. 27, 2020 USD ($)	Jun. 27, 2020 GBP (£)	Jun. 29, 2019 USD ($)	Dec. 31, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Apr. 07, 2020 USD ($)
Defined Benefit Plan Disclosure
Contributions expected			$ 2,300				$ 2,300
Defined benefit plan expense			940		$ 568		1,634	$ 1,124
Estimated decrease in pension cost									$ 36,000
Estimated percent reduction in pension costs									30.00%
Defined Benefit Plan, Benefit Obligation, Benefits Paid			10,400	£ 8.4
Pension and postretirement liability and reclassification adjustments
Defined Benefit Plan Disclosure
Benefit obligation,unamortized actuarial loss	$ 13,400	£ 10.9
Foreign Plan
Defined Benefit Plan Disclosure
Defined benefit plan expense			500		$ 200		1,000	$ 400
Other comprehensive income as component of net period benefit cost, before tax			$ 200				$ 400
Minimum | Forecast
Defined Benefit Plan Disclosure
Estimated settlement charge						$ 18,000
Maximum | Forecast
Defined Benefit Plan Disclosure
Estimated settlement charge						$ 22,000

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Other Comprehensive (Loss) Income - Schedule of Components of Comprehensive Income (Loss) (Details) $ in Thousands, £ in Millions			3 Months Ended				6 Months Ended
	Apr. 06, 2020 USD ($)	Apr. 06, 2020 GBP (£)	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Jun. 29, 2019 USD ($)	Mar. 30, 2019 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)
Other Comprehensive Income (Loss)
Pre-tax			$ (4,676)		$ (5,691)		$ (19,661)	$ 2,353
Tax			(2,259)		40		(2,265)	11
Total change in other comprehensive income (loss)			(2,417)	$ (14,979)	(5,731)	$ 8,073	(17,396)	2,342
Pension and postretirement liability and reclassification adjustments
Other Comprehensive Income (Loss)
Pre-tax			(13,098)		201		(12,543)	123
Tax			(2,259)		40		(2,265)	11
Total change in other comprehensive income (loss)			(10,839)		161		(10,278)	112
Benefit obligation,unamortized actuarial loss	$ 13,400	£ 10.9
Foreign currency translation adjustment
Other Comprehensive Income (Loss)
Pre-tax			8,422		(5,892)		(7,118)	2,230
Tax			0		0		0	0
Total change in other comprehensive income (loss)			$ 8,422		$ (5,892)		$ (7,118)	$ 2,230

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Other Comprehensive (Loss) Income - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Mar. 30, 2019	Jun. 27, 2020	Jun. 29, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance	$ 1,476,948	$ 1,496,014	$ 1,505,388	$ 1,478,342	$ 1,496,014	$ 1,478,342
Other comprehensive loss, net of tax	(2,417)	(14,979)	(5,731)	8,073	(17,396)	2,342
Balance	1,462,434	1,476,948	1,509,942	1,505,388	1,462,434	1,509,942
Pension and postretirement liability and reclassification adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance		(18,046)		(9,959)	(18,046)	(9,959)
Other comprehensive loss, net of tax	(10,839)		161		(10,278)	112
Balance	(28,324)		(9,847)		(28,324)	(9,847)
Foreign currency translation adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance		(88,777)		(87,965)	(88,777)	(87,965)
Other comprehensive loss, net of tax	8,422		(5,892)		(7,118)	2,230
Balance	(95,895)		(85,735)		(95,895)	(85,735)
Accumulated other comprehensive (loss) income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Balance	(121,802)	(106,823)	(89,851)	(97,924)	(106,823)	(97,924)
Other comprehensive loss, net of tax	(2,417)	(14,979)	(5,731)	8,073
Balance	$ (124,219)	$ (121,802)	$ (95,582)	$ (89,851)	$ (124,219)	$ (95,582)

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Other Comprehensive (Loss) Income - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Amortization of prior service and net actuarial loss	$ 208,238	$ 256,071	$ 430,622	$ 506,343
Amortization of prior service and net actuarial loss | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Amortization of prior service and net actuarial loss	$ 429	$ 62	$ 774	$ 124

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Income Taxes (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Income Tax Disclosure [Abstract]
Effective tax rate (percent)	15.10%	18.20%	37.20%	19.20%

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Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Mar. 30, 2019	Jun. 27, 2020	Jun. 29, 2019
Numerator:
Net (loss) income as reported	$ (8,991)	$ 24,644	$ 43,792	$ 36,989	$ 15,653	$ 80,781
Weighted average shares outstanding
Basic (in shares)	24,312		24,740		24,353	24,729
Effect of dilutive securities (in shares)	0		243		167	269
Diluted (in shares)	24,312		24,983		24,520	24,998
(Loss) Earnings Per Share:
Basic (loss) earnings per share (in dollars per share)	$ (0.37)		$ 1.77		$ 0.64	$ 3.27
Diluted (loss) earnings per share (in dollars per share)	$ (0.37)		$ 1.75		$ 0.64	$ 3.23

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Earnings Per Share - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Mar. 30, 2019	Jun. 27, 2020	Jun. 29, 2019	Apr. 23, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share
Shares repurchased (in shares)	0
Repurchases of common stock		$ 22,927	$ 31,955	$ 13,555
Share Repurchase Program
Antidilutive Securities Excluded from Computation of Earnings Per Share
Repurchase authorized (in shares)	1,000,000				1,000,000		1,000,000
Shares repurchased (in shares)			188,214		175,110	268,130
Repurchases of common stock			$ 32,000		$ 22,900	$ 45,500
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive securities excluded (in shares)	328,624		167,599		212,290	121,326

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Related Party Transactions (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 26, 2019	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Related Party Transaction
Cost method investments		$ 0.4		$ 0.4
MWT
Related Party Transaction
Loss on disposal	$ 2.6
Powersem
Related Party Transaction
Ownership percentage (percent)		45.00%		45.00%
Revenue from related parties		$ 0.3	$ 0.1	$ 0.7	$ 0.2
Purchase from related party		0.8	0.9	1.0	1.7
Receivable from related parties		0.1		0.1		$ 0.0
Payables to related parties		$ 0.2		$ 0.2		0.2
EB Tech
Related Party Transaction
Ownership percentage (percent)		19.00%		19.00%
Revenue from related parties		$ 0.0	0.0	$ 0.0	0.0
Purchase from related party		0.0	0.1	0.0	0.2
Receivable from related parties		0.0		0.0		0.0
Payables to related parties		$ 0.0		$ 0.0		0.0
ATEC
Related Party Transaction
Ownership percentage (percent)		24.00%		24.00%
Revenue from related parties		$ 0.0	0.0	$ 0.0	0.0
Purchase from related party		1.6	$ 2.3	3.4	$ 3.8
Receivable from related parties		0.0		0.0		0.0
Payables to related parties		$ 0.1		$ 0.1		$ 0.1

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Segment Information - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting Information
Net sales	$ 307,337		$ 397,879	$ 653,433	$ 803,379
Depreciation and amortization	23,734		22,689	47,536	45,968
Operating (loss) income	(11,950)		52,634	32,800	113,307
Interest expense	5,855		5,589	11,273	11,275
Foreign exchange (gain) loss	(6,010)		(3,575)	(3,426)	668
Other (income) expense, net	(1,210)		(2,947)	39	1,358
(Loss) income before income taxes	(10,585)		53,567	24,914	100,006
Electronics
Segment Reporting Information
Net sales	223,271		259,553	437,460	524,947
Depreciation and amortization	15,617		14,729	31,148	30,071
Automotive
Segment Reporting Information
Net sales	61,999		108,650	166,769	222,133
Depreciation and amortization	7,071		6,904	14,258	13,781
Impairment charges		$ 2,200
Automotive | Facility Closing
Segment Reporting Information
Impairment charges	33,800
Industrial
Segment Reporting Information
Net sales	22,067		29,676	49,204	56,299
Depreciation and amortization	1,046		1,056	2,130	2,116
Operating Segments | Electronics
Segment Reporting Information
Operating (loss) income	32,651		43,630	64,923	92,666
Operating Segments | Automotive
Segment Reporting Information
Operating (loss) income	(8,857)		10,349	5,259	23,550
Operating Segments | Industrial
Segment Reporting Information
Operating (loss) income	(23)		5,831	3,511	9,336
Corporate Non-Segment | Other
Segment Reporting Information
Operating (loss) income	$ (35,721)		$ (7,176)	$ (40,893)	$ (12,245)

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Segment Information - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Jun. 27, 2020 USD ($) segment	Jun. 29, 2019 USD ($)
Segment Reporting Information
Number of operating segments | segment			3
Restructuring charges	$ 1,824	$ 5,683	$ 3,549	$ 8,418
Operating Income (Loss)
Segment Reporting Information
Acquisition related costs		1,500		3,800
Other | Operating Income (Loss)
Segment Reporting Information
Legal, accounting and other expenses	100		1,300
Restructuring charges	35,600		39,600
Industrial
Segment Reporting Information
Restructuring charges	$ 772	$ 674	$ 1,096	$ 971

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Segment Information - Revenues and Long-lived Assets by Geographical Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Segment Reporting Information
Net sales	$ 307,337	$ 397,879	$ 653,433	$ 803,379
Long-lived assets	334,677		334,677		$ 344,617
Additions to long-lived assets			23,037	29,858
United States
Segment Reporting Information
Net sales	76,870	115,991	179,780	235,519
Long-lived assets	54,082		54,082		58,081
Additions to long-lived assets			2,026	3,454
China
Segment Reporting Information
Net sales	102,026	107,728	188,041	214,593
Long-lived assets	82,224		82,224		88,306
Additions to long-lived assets			4,516	4,958
Mexico
Segment Reporting Information
Long-lived assets	67,967		67,967		73,096
Additions to long-lived assets			4,260	8,727
Germany
Segment Reporting Information
Long-lived assets	36,721		36,721		36,025
Additions to long-lived assets			2,509	3,712
Philippines
Segment Reporting Information
Long-lived assets	58,272		58,272		51,738
Additions to long-lived assets			9,039	6,629
Other countries
Segment Reporting Information
Net sales	128,441	$ 174,160	285,612	353,267
Long-lived assets	$ 35,411		35,411		$ 37,371
Additions to long-lived assets			$ 687	$ 2,378